chore(build): Re-generate

27 files changed, 394 insertions, 323 deletions

diff --git a/build/latex/academia/%INIT_APPLICATION_NAME.tex b/build/latex/academia/%INIT_APPLICATION_NAME.tex
index 5484bc6..50131ad 100644
--- a/build/latex/academia/%INIT_APPLICATION_NAME.tex
+++ b/build/latex/academia/%INIT_APPLICATION_NAME.tex
@@ -20,25 +20,24 @@
 \hypersetup{
   pdftitle={\@title},
   pdfsubject={},
-  pdfauthor={\@authors},
+  pdfauthor={\AuthorList},
   pdfkeywords={TODO},
-  colorlinks,
-  linkcolor={black},
-  citecolor={black},
-  urlcolor={blue!80!black}
 }
 \makeatother
 
 
-\includeonly{}
+\includeonly {
+    % lpm::next_chapter_includeonly_marker
+}
 
 \begin{document}
-    \onecolumn
-    \input{content/static/title}
-    \twocolumn
+\onecolumn
+\input{content/static/title}
+\twocolumn
 
-    % NEXT_CHAPTER
+% lpm::next_chapter_marker
 
-    \clearpage{}
-    \printbibliography\relax
+\clearpage{}
+\printbibliography\relax
+\printindex
 \end{document}
diff --git a/build/latex/academia/build.sh b/build/latex/academia/build.sh
index 1206ee7..c67ad52 100755
--- a/build/latex/academia/build.sh
+++ b/build/latex/academia/build.sh
@@ -1,14 +1,30 @@
 #!/usr/bin/env sh
 
-# if no parameter is given, use 'dst' as destination directory
-if [ -z "$1" ]; then
-    dst=build
-else
-    dst="$1"
-fi
+file="./%INIT_APPLICATION_NAME.tex"
+dst=build
+
+clear=false
+
+for arg in "$@"; do
+    case "$arg" in
+    "--clear")
+        clear=true
+        ;;
+    --*)
+        echo "No such option: '$arg'"
+        exit 2
+        ;;
+    *)
+        file="$arg"
+        ;;
+    esac
+done
 
 # find all directories which are not the destination dir or inside it
 find . -type d -not -name "$dst" -not -path "./$dst/*" -printf '%P\n' | while IFS= read -r dir; do
     mkdir --parents "$dst/$dir"
 done
-latexmk -outdir="$dst" -file-line-error -pdflatex -recorder "./%INIT_APPLICATION_NAME.tex"
+
+test "$clear" = true && rm "$dst/${file%tex}out"
+
+latexmk -outdir="$dst" -file-line-error -pdflatex -recorder "$file"
diff --git a/build/latex/academia/content/static/title.tex b/build/latex/academia/content/static/title.tex
index 7398508..16537c9 100644
--- a/build/latex/academia/content/static/title.tex
+++ b/build/latex/academia/content/static/title.tex
@@ -4,12 +4,10 @@
 
 \tableofcontents
 \vspace*{\fill}
-\makeatletter
 % TODO: Translate this section (or remove this comment, if your language of choice is English)
-Copyright \textcopyright{} \@authors{} \@years{}\\
+Copyright \textcopyright{} \AuthorList{} \YearList{}\\
 \ \\
 This work is licensed under the terms of the %INIT_SPDX_LICENSE_IDENTIFIER licence.
 The licence text can be found online at \url{%INIT_LICENSE_URL}.
 \
-\makeatother
 \clearpage
diff --git a/build/latex/academia/flake.nix b/build/latex/academia/flake.nix
index 9a85d5d..6a21c68 100644
--- a/build/latex/academia/flake.nix
+++ b/build/latex/academia/flake.nix
@@ -98,7 +98,7 @@
         '';
 
         installPhase = ''
-          install -D ./build/main.pdf "$out/%INIT_APPLICATION_NAME.pdf";
+          install -D "./build/%INIT_APPLICATION_NAME.pdf" "$out/%INIT_APPLICATION_NAME.pdf";
         '';
       };
     in {
diff --git a/build/latex/academia/headers/preamble.tex b/build/latex/academia/headers/preamble.tex
index d87943d..110e3a0 100644
--- a/build/latex/academia/headers/preamble.tex
+++ b/build/latex/academia/headers/preamble.tex
@@ -1,290 +1,2 @@
-% This preamble assumes pdflatex
-% derived from:
-% https://github.com/gillescastel/lecture-notes/blob/929672a96abc27eaeb6fa58b1d277b3582d28532/group-theory/preamble.tex
-% encodings
-\usepackage[utf8]{inputenc} % use utf8 encoding
-\usepackage[T1]{fontenc} % for 8bit font support
-\usepackage{lmodern} % latin modern fonts, should be better than ae, aecompl
-% \usepackage{ae,aecompl} % full T1 font support
-% \usepackage{textcomp} % support for yen and so on, not needed since latex2e(2020)
-
-% references
-\usepackage[%INIT_BABLE_LANGUAGE]{babel} % For English language support, with reformed orthography!
-\usepackage{csquotes} % required by biblatex
-% \usepackage{biber} % required by biblatex
-
-% \usepackage{biblatex-dw}
-\usepackage[backend=biber,
-        style=footnote-dw,
-        %
-        pageref=true,
-        annotation=true,
-        library=true,
-        %
-        % style=numeric,
-        autocite=superscript,
-        % FIXME: Keep this here? <2024-03-20>
-        doi=true,
-        isbn=true,
-        loccittracker=true,
-        opcittracker=true
-    ]{biblatex} % For bibtex references
-\addbibresource{resources/reference.bib}
-% \renewcommand{\autocite}[1]{\footcite{#1}\supercite{#1}}
-% \bibliography{res/reference} % Set the location of the references
-
-% dates, time
-\usepackage[%INIT_DATE_TIME_LANGUAGE, showdow]{datetime2} % make handling dates easier
-
-% index
-% \usepackage{index} % Helps to create an index TODO compare with other such packages
-% \makeindex
-
-% math
-\usepackage{amsmath}  % extensive math commands
-\usepackage{amsfonts} % more fonts for math (fracture, boldfaced and so on)
-\usepackage{mathtools} % extension to amsmath, with more sensible defaults (eq numbers only when referenced)
-\usepackage{amssymb} % more symbols, mostly redundant because already loaded by something else
-\usepackage{mathrsfs} % support for the RSFS fonts (through \mathscr command)
-\usepackage{cancel} % allows to cancel a part in math mode, for example to shorten a term
-\usepackage{bm} % bold mode in math, but better than \boldsymbol command from ams. \bm
-\usepackage[locale = %INIT_SIUNITX_LANGUAGE]{siunitx} % For easy unit representation
-\sisetup{per-mode = fraction}
-\usepackage[version=4]{mhchem} % for \ce command
-
-
-
-% graphics and floats
-\usepackage{float} % makes dealing with floats easier
-\usepackage{graphicx} % allows for easy inclusion of graphics
-\usepackage[shortlabels]{enumitem} % makes enumerate, itemize and description better
-\usepackage{wrapfig} % Wraps text around figures with the \wrapfigure environment
-\usepackage[dvipsnames]{xcolor} % colors and color mixing \color{red!30!green!40!blue}
-\usepackage{pgfplots} % plots, 2D and 3D
-\pgfplotsset{compat=1.18} % use version 1.13
-\usepackage{tikz} % Nice drawn graphics, for library see: https://tex.stackexchange.com/a/42664
-% \usetikzlibrary{intersections, angles, quotes, calc, positioning}
-% \usetikzlibrary{arrows.meta} %TODO maybe deprecated?
-% \usepackage{tikz-cd} % better commutative diagrams
-% \usepackage{subcaption} % like caption package, but for subfigures
-% \usepackage{booktabs} % better tables
-
-
-% visuals
-\usepackage{fancyhdr}  % Text layout and margins, headers so on
-\usepackage{microtype} % makes text better to read
-\usepackage{multicol} % allows for multi-columns everywhere, with the "multicols" environment
-\usepackage{emptypage} % no page numbers and headings on empty pages
-% \usepackage[a4paper, left=2cm, right=2cm, top=2cm, bottom=2cm]{geometry} % For nice margins
-% \usepackage{xspace} % Adds a space when it thinks it is necessary
-\usepackage{blindtext} % blindtext
-
-% tikz style config
-\tikzset{help_lines/.style={step=.5cm,gray!50,very thin}}
-
-% notes
-% \usepackage{todonotes}
-
-% links
-% \usepackage[hidelinks]{hyperref} % Links in the pdf
-\usepackage[nospace]{varioref}
-\usepackage[pdflang=%INIT_DATE_TIME_LANGUAGE]{hyperref}
-% \hypersetup{
-%         colorlinks,
-%         linkcolor={black},
-%         citecolor={black},
-%         urlcolor={blue!80!black}
-%     }
-
-
-% \usepackage{stmaryrd} % for \lightning
-% \newcommand\contra{\scalebox{1.1}{$\lightning$}}
-
-% number sets
-\newcommand\N{\ensuremath{\mathbb{N}}}
-\newcommand\R{\ensuremath{\mathbb{R}}}
-\newcommand\Z{\ensuremath{\mathbb{Z}}}
-\newcommand\Q{\ensuremath{\mathbb{Q}}}
-\newcommand\C{\ensuremath{\mathbb{C}}}
-\renewcommand\O{\ensuremath{\emptyset}} % replaces the Ø
-
-% readable limits
-\let\svlim\lim{}
-\renewcommand\lim{\svlim\limits}
-
-% aliases
-\let\implies\Rightarrow{}
-\let\impliedby\Leftarrow{}
-\let\iff\Leftrightarrow{}
-
-\renewcommand\epsilon{\varepsilon} % I like the textual epsilon more
-% \renewcommand\phi{\varphi}
-
-% horizontal rule
-\newcommand\hr{
-        \par\noindent\rule[0.5ex]{\linewidth}{0.5pt}
-    }
-
-% copyright:
-\makeatletter
-\DeclareRobustCommand\authors[1]{\gdef\@authors{#1}}
-\DeclareRobustCommand\years[1]{\gdef\@years{#1}}
-\makeatother
-
-% theorems
-% packages:
-\usepackage[framemethod=TikZ]{mdframed}
-\mdfsetup{skipabove=1em,skipbelow=0em, innertopmargin=5pt, innerbottommargin=6pt}
-\usepackage{amsthm}  % math commands for theorems
-\usepackage{thmtools} % improved theorems
-\usepackage{environ} % for hiding of the solution env
-
-% styles:
-% \renewcommand\qedsymbol{\ensuremath{\text{\textit{O.}}~\epsilon.~\delta.}}
-\renewcommand\qedsymbol{\dots}
-\theoremstyle{definition}
-\declaretheoremstyle[
-        headfont=\bfseries\sffamily\color{NavyBlue!80},
-        bodyfont=\normalfont,
-        headpunct={:\\},
-        qed=\qedsymbol,
-        mdframed={
-                linewidth=2pt,
-                rightline=false, topline=false, bottomline=false,
-                linecolor=NavyBlue, backgroundcolor=NavyBlue!5,
-            },
-    ]{thmexample}
-\declaretheoremstyle[
-        headfont=\bfseries\sffamily\color{RawSienna!80},
-        bodyfont=\normalfont,
-        headpunct={:\\},
-        qed=\qedsymbol,
-        mdframed={
-                linewidth=2pt,
-                rightline=false, topline=false, bottomline=false,
-                linecolor=RawSienna, backgroundcolor=RawSienna!5,
-            },
-    ]{thmexercise}
-\declaretheoremstyle[
-        headfont=\bfseries\sffamily\color{Violet!80},
-        bodyfont=\normalfont,
-        headpunct={:\\},
-        notebraces={f\"ur }{},
-        qed=\qedsymbol,
-        mdframed={
-                linewidth=2pt,
-                rightline=false, topline=false, bottomline=false,
-                linecolor=Violet, backgroundcolor=Violet!5,
-            },
-    ]{thmsolution}
-\declaretheoremstyle[
-        headfont=\bfseries\sffamily\color{ForestGreen!80},
-        bodyfont=\normalfont,
-        headpunct={:\\},
-        qed=\qedsymbol,
-        mdframed={
-                linewidth=2pt,
-                rightline=false, topline=false, bottomline=false,
-                linecolor=ForestGreen, backgroundcolor=ForestGreen!5,
-            },
-    ]{thmdef}
-\declaretheoremstyle[
-        headfont=\bfseries\sffamily\color{RawSienna!70!black},
-        bodyfont=\normalfont,
-        headpunct={:\\},
-        qed=\qedsymbol,
-        mdframed={
-                linewidth=2pt,
-                leftline=false, rightline=true, topline=false, bottomline=false,
-                linecolor=RawSienna, backgroundcolor=Red!5,
-            }
-    ]{thmtheorem}
-
-\declaretheorem[numbered=yes, style=thmdef, name=Definition]{definition}
-\declaretheorem[numbered=no, style=thmexample,name=Beispiel]{eg}
-\declaretheorem[numbered=no, style=thmexercise, name=Aufgabe]{ex}
-\declaretheorem[numbered=yes, style=thmtheorem, name=Satz]{theorem}
-% \declaretheorem[style=thmredbox, name=Proposition]{prop}
-% \declaretheorem[style=thmredbox, name=Lemma]{lemma}
-% \declaretheorem[style=thmredbox, numbered=no, name=Corollary]{corollary}
-
-% Solutions
-\makeatletter
-\@ifclasswith{report}{nosolutions}
-    {%
-        \NewEnviron{solution}[1][]{Eine L\"osung mit dem Name ("L\"osung für #1") wurde versteckt.\ \\ \par}
-        \newcommand\hdsolution[1]{L\"osung versteckt}
-    }{%
-        \declaretheorem[numbered=no, style=thmsolution, name=L\"osung]{replacementSolution}
-
-        \NewEnviron{solution}[1][]{
-            \vspace{-1em}
-            \begin{replacementSolution}[#1]
-            \
-            \BODY
-            \end{replacementSolution}
-        }
-        \newcommand\hdsolution[1]{#1}
-    }
-\makeatother
-
-\DTMnewdatestyle{margindate}{
-        \renewcommand*\DTMdisplaydate[4]{
-                \MakeLowercase{\DTMshortweekdayname{##4}}\space
-                \number##3\relax\space
-                \MakeLowercase{\DTMshortmonthname{##2}}\space
-                \DTMtwodigits{\DTMtwodigits{##1}}
-            }
-        \renewcommand*\DTMDisplaydate[4]{
-                \DTMshortweekdayname{##4}\space
-                ##3\space
-                \DTMshortmonthname{##2}\space
-                \DTMtwodigits{\DTMtwodigits{##1}}
-            }
-    }
-
-\newcommand*\margindate[1]{
-        \DTMsetdatestyle{margindate}
-        \marginpar{
-                \small\textsf{\mbox{\DTMDate{#1}}}
-            }\relax
-    }
-
-\def\@lesson{}%
-\newcommand{\lesson}[3]{
-        \if\relax\detokenize{#3}\relax
-            \def\@lesson{Unterricht: #1}%
-        \else
-            % \def\@lesson{Unterricht #1: #3}%
-            \def\@lesson{#1: #3}%
-        \fi
-        \subsection*{\@lesson}
-        \margindate{#2}
-    }
-
-% \pagestyle{fancy}
-% \fancyhf{}
-% \fancyhead[LE, RO]{}
-% \fancyhead[RO, LE]{\@lesson}
-% \fancyhead[RE, LO]{}
-% \fancyfoot[LE, RO]{\thepage}
-% \fancyfoot[C]{\leftmark}
-
-
-% Parameters
-% \renewcommand{\sfdefault}{ptm}
-% \pagenumbering{arabic}
-% \setcounter{page}{2}
-% \renewcommand{\thesection}{\Roman{section}}
-% \renewcommand{\thesubsection}{\thesection.\Roman{subsection}}
-%
-
-%% Footers and Headers
-%\pagestyle{fancy}
-%\fancyhf{}
-%\renewcommand{\headrulewidth}{2pt}
-%\renewcommand{\footrulewidth}{1pt}
-%\renewcommand{\baselinestretch}{1.5}
-%\fancyhead[L]{{\textbf{\titleset}}}
-%\fancyhead[R]{\textbf{\course}}
-%\fancyfoot[L]{\thepage}
+\input{headers/preamble/mod.tex}
+\input{headers/preamble/preamble_local.tex}
diff --git a/build/latex/academia/headers/preamble/academia/mod.tex b/build/latex/academia/headers/preamble/academia/mod.tex
new file mode 100644
index 0000000..39b9230
--- /dev/null
+++ b/build/latex/academia/headers/preamble/academia/mod.tex
@@ -0,0 +1,4 @@
+% derived from:
+% https://github.com/gillescastel/lecture-notes/blob/929672a96abc27eaeb6fa58b1d277b3582d28532/group-theory/preamble.tex
+\input{headers/preamble/academia/theorems/mod.tex}
+\input{headers/preamble/academia/visuals.tex}
diff --git a/build/latex/academia/headers/preamble/academia/theorems/definitions.tex b/build/latex/academia/headers/preamble/academia/theorems/definitions.tex
new file mode 100644
index 0000000..4355b3c
--- /dev/null
+++ b/build/latex/academia/headers/preamble/academia/theorems/definitions.tex
@@ -0,0 +1,90 @@
+\renewcommand\qedsymbol{\ensuremath{\text{\textit{O.}}~\epsilon.~\delta.}}
+% \renewcommand\qedsymbol{\dots}
+
+\theoremstyle{definition}
+
+
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily\color{NavyBlue!80},
+	bodyfont=\normalfont,
+	headpunct={:\\},
+	qed=\qedsymbol,
+	mdframed={
+			linewidth=2pt,
+			rightline=false, topline=false, bottomline=false,
+			linecolor=NavyBlue, backgroundcolor=NavyBlue!5,
+		},
+]{thmexample}
+\declaretheorem[numbered=no, style=thmexample,name=Beispiel]{eg}
+
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily\color{RawSienna!80},
+	bodyfont=\normalfont,
+	headpunct={:\\},
+	qed=\qedsymbol,
+	mdframed={
+			linewidth=2pt,
+			rightline=false, topline=false, bottomline=false,
+			linecolor=RawSienna, backgroundcolor=RawSienna!5,
+		},
+]{thmexercise}
+\declaretheorem[numbered=no, style=thmexercise, name=Aufgabe]{ex}
+
+
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily\color{ForestGreen!80},
+	bodyfont=\normalfont,
+	headpunct={:\\},
+	qed=\qedsymbol,
+	mdframed={
+			linewidth=2pt,
+			rightline=false, topline=false, bottomline=false,
+			linecolor=ForestGreen, backgroundcolor=ForestGreen!5,
+		},
+]{thmdef}
+\declaretheorem[numbered=yes, style=thmdef, name=Definition]{definition}
+
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily\color{RawSienna!70!black},
+	bodyfont=\normalfont,
+	headpunct={:\\},
+	qed=\qedsymbol,
+	mdframed={
+			linewidth=2pt,
+			leftline=false, rightline=true, topline=false, bottomline=false,
+			linecolor=RawSienna, backgroundcolor=Red!5,
+		}
+]{thmtheorem}
+\declaretheorem[numbered=yes, style=thmtheorem, name=Satz]{theorem}
+
+
+\declaretheoremstyle[
+	headfont=\bfseries\sffamily\color{Violet!80},
+	bodyfont=\normalfont,
+	headpunct={:\\},
+	notebraces={f\"ur }{},
+	qed=\qedsymbol,
+	mdframed={
+			linewidth=2pt,
+			rightline=false, topline=false, bottomline=false,
+			linecolor=Violet, backgroundcolor=Violet!5,
+		},
+]{thmsolution}
+\makeatletter
+\@ifclasswith{report}{nosolutions}
+{%
+	\NewEnviron{solution}[1][]{Eine L\"osung mit dem Name ("L\"osung für #1") wurde ausgeblendet.\ \\ \par}
+	\newcommand\hdsolution[1]{L\"osung ausgeblendet}
+}{%
+	\declaretheorem[numbered=no, style=thmsolution, name=L\"osung]{replacementSolution}
+
+	\NewEnviron{solution}[1][]{
+		\vspace{-1em}
+		\begin{replacementSolution}[#1]
+			\
+			\BODY
+		\end{replacementSolution}
+	}
+	\newcommand\hdsolution[1]{#1}
+}
+\makeatother
diff --git a/build/latex/academia/headers/preamble/academia/theorems/mod.tex b/build/latex/academia/headers/preamble/academia/theorems/mod.tex
new file mode 100644
index 0000000..8350276
--- /dev/null
+++ b/build/latex/academia/headers/preamble/academia/theorems/mod.tex
@@ -0,0 +1,2 @@
+\input{headers/preamble/academia/theorems/definitions.tex}
+\input{headers/preamble/academia/theorems/packages.tex}
diff --git a/build/latex/academia/headers/preamble/academia/theorems/packages.tex b/build/latex/academia/headers/preamble/academia/theorems/packages.tex
new file mode 100644
index 0000000..c881ab5
--- /dev/null
+++ b/build/latex/academia/headers/preamble/academia/theorems/packages.tex
@@ -0,0 +1,6 @@
+\usepackage[framemethod=TikZ]{mdframed}
+\mdfsetup{skipabove=1em,skipbelow=0em, innertopmargin=5pt, innerbottommargin=6pt}
+
+\usepackage{amsthm}  % math commands for theorems
+\usepackage{thmtools} % improved theorems
+\usepackage{environ} % for hiding of the solution env
diff --git a/build/latex/academia/headers/preamble/academia/visuals.tex b/build/latex/academia/headers/preamble/academia/visuals.tex
new file mode 100644
index 0000000..dada594
--- /dev/null
+++ b/build/latex/academia/headers/preamble/academia/visuals.tex
@@ -0,0 +1 @@
+\usepackage{fancyhdr}  % Text layout and margins, headers so on
diff --git a/build/latex/academia/headers/preamble/core/chemistry.tex b/build/latex/academia/headers/preamble/core/chemistry.tex
new file mode 100644
index 0000000..94f2592
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/chemistry.tex
@@ -0,0 +1,5 @@
+\usepackage[locale = %INIT_SIUNITX_LANGUAGE]{siunitx} % For easy unit representation
+\sisetup{per-mode = fraction}
+
+\usepackage[version=4]{mhchem} % for \ce command
+\usepackage{chemfig}
diff --git a/build/latex/academia/headers/preamble/core/copyright.tex b/build/latex/academia/headers/preamble/core/copyright.tex
new file mode 100644
index 0000000..268b910
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/copyright.tex
@@ -0,0 +1,15 @@
+\ExplSyntaxOn
+\cs_new_protected:Npn \SetAuthors #1
+{
+	\tl_const:Nn \AuthorList {#1}
+}
+\cs_new_protected:Npn \SetYears #1
+{
+	\tl_const:Nn \YearList {#1}
+}
+\ExplSyntaxOff
+
+\usepackage[scale=2]{ccicons} % Typeset the cc icons
+
+% TODO: Add a `\copyright` macro, that generates the copyright text automatically and
+% language defined <2024-10-03>
diff --git a/build/latex/academia/headers/preamble/core/date_and_time.tex b/build/latex/academia/headers/preamble/core/date_and_time.tex
new file mode 100644
index 0000000..32e838d
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/date_and_time.tex
@@ -0,0 +1 @@
+\usepackage[%INIT_DATE_TIME_LANGUAGE, showdow]{datetime2} % make handling dates easier
diff --git a/build/latex/academia/headers/preamble/core/encoding.tex b/build/latex/academia/headers/preamble/core/encoding.tex
new file mode 100644
index 0000000..1f48d2a
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/encoding.tex
@@ -0,0 +1,4 @@
+
+\usepackage[utf8]{inputenc} % use utf8 encoding
+\usepackage[T1]{fontenc} % for 8bit font support
+\usepackage{lmodern} % latin modern fonts, should be better than ae, aecompl
diff --git a/build/latex/academia/headers/preamble/core/graphics_and_floats.tex b/build/latex/academia/headers/preamble/core/graphics_and_floats.tex
new file mode 100644
index 0000000..b975c5f
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/graphics_and_floats.tex
@@ -0,0 +1,22 @@
+\usepackage{graphicx} % allows for easy inclusion of graphics
+\usepackage{xcolor} % colors and color mixing \color{red!30!green!40!blue}
+
+\usepackage{tikz} % Nice drawn graphics, for library see: https://tex.stackexchange.com/a/42664
+\usetikzlibrary{calc}
+
+\usepackage{pgfplots} % plots, 2D and 3D
+\pgfplotsset{compat=1.19} % Set a compatibility level, to be able to use the new versions
+
+\usetikzlibrary{external}
+\tikzexternalize[prefix=figures/, mode=list and make]
+
+% \usetikzlibrary{intersections, angles, quotes, calc, positioning}
+% \usetikzlibrary{arrows.meta} %TODO maybe deprecated?
+
+% \usepackage{tikz-cd} % better commutative diagrams
+% \usepackage{subcaption} % like caption package, but for subfigures
+% \usepackage{booktabs} % better tables
+
+
+\usepackage{float} % Allows placing floats here (H) and creating new floats `\newfloat`
+\usepackage{wrapfig} % Wraps text around figures with the \begin{wrapfigure} environment
diff --git a/build/latex/academia/headers/preamble/core/index.tex b/build/latex/academia/headers/preamble/core/index.tex
new file mode 100644
index 0000000..a52cc20
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/index.tex
@@ -0,0 +1,8 @@
+\usepackage{index} % Helps to create an index
+\makeindex
+
+\ifdraft{
+	\usepackage{showidx}
+} {
+	\message {Draft packages not loaded, showidx not loaded.}
+}
diff --git a/build/latex/academia/headers/preamble/core/linting.tex b/build/latex/academia/headers/preamble/core/linting.tex
new file mode 100644
index 0000000..a1bbe34
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/linting.tex
@@ -0,0 +1 @@
+\usepackage{nag}
diff --git a/build/latex/academia/headers/preamble/core/margindate.tex b/build/latex/academia/headers/preamble/core/margindate.tex
new file mode 100644
index 0000000..5579f98
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/margindate.tex
@@ -0,0 +1,37 @@
+\DTMnewdatestyle{margindate}{
+	\renewcommand*\DTMdisplaydate[4]{
+		\MakeLowercase{\DTMshortweekdayname{##4}}\space
+		\number##3\relax\space
+		\MakeLowercase{\DTMshortmonthname{##2}}\space
+		\DTMtwodigits{\DTMtwodigits{##1}}
+	}
+	\renewcommand*\DTMDisplaydate[4]{
+		\DTMshortweekdayname{##4}\space
+		##3\space
+		\DTMshortmonthname{##2}\space
+		\DTMtwodigits{\DTMtwodigits{##1}}
+	}
+}
+
+\NewDocumentCommand\MarginContent{m}{
+	\marginpar{
+		\small\textsf{\mbox{#1}}
+	}\relax
+}
+
+\NewDocumentCommand\MarginDate{m}{
+	{
+			\DTMsetdatestyle{margindate}
+
+			\MarginContent{\DTMDate{#1}}
+		}
+}
+
+\NewDocumentCommand\AnnotatedSection{m m}{
+	\section{#1}
+	\MarginContent{#2}
+}
+\NewDocumentCommand\DatedSection{m m}{
+	\section{#1}
+	\MarginDate{#2}
+}
diff --git a/build/latex/academia/headers/preamble/core/math.tex b/build/latex/academia/headers/preamble/core/math.tex
new file mode 100644
index 0000000..35144df
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/math.tex
@@ -0,0 +1,25 @@
+\usepackage{amsmath}  % extensive math commands
+\usepackage{amsfonts} % more fonts for math (fracture, boldfaced and so on)
+\usepackage{mathtools} % extension to amsmath, with more sensible defaults (eq numbers only when referenced)
+\usepackage{amssymb} % more symbols, mostly redundant because already loaded by something else
+\usepackage{mathrsfs} % support for the RSFS fonts (through \mathscr command)
+\usepackage{cancel} % allows to cancel a part in math mode, for example to shorten a term
+\usepackage{bm} % bold mode in math, but better than \boldsymbol command from ams. \bm
+
+% number sets
+\NewDocumentCommand\N{}{\ensuremath{\mathbb{N}}}
+\NewDocumentCommand\R{}{\ensuremath{\mathbb{R}}}
+\NewDocumentCommand\Z{}{\ensuremath{\mathbb{Z}}}
+\NewDocumentCommand\Q{}{\ensuremath{\mathbb{Q}}}
+\NewDocumentCommand\C{}{\ensuremath{\mathbb{C}}}
+\NewDocumentCommand\O{}{\ensuremath{\emptyset}} % replaces the Ø
+
+% readable limits
+\let\svlim\lim{}
+\renewcommand\lim{\svlim\limits}
+
+% aliases
+\let\implies\Rightarrow{}
+\let\impliedby\Leftarrow{}
+
+\let\epsilon{\varepsilon} % I like the textual epsilon more
diff --git a/build/latex/academia/headers/preamble/core/mod.tex b/build/latex/academia/headers/preamble/core/mod.tex
new file mode 100644
index 0000000..3a800a1
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/mod.tex
@@ -0,0 +1,15 @@
+% Core packages (used in the implementation of this preamble)
+\usepackage{ifdraft}
+
+\input{headers/preamble/core/chemistry.tex}
+\input{headers/preamble/core/copyright.tex}
+\input{headers/preamble/core/date_and_time.tex}
+\input{headers/preamble/core/encoding.tex}
+\input{headers/preamble/core/graphics_and_floats.tex}
+\input{headers/preamble/core/index.tex}
+\input{headers/preamble/core/linting.tex}
+\input{headers/preamble/core/margindate.tex}
+\input{headers/preamble/core/math.tex}
+\input{headers/preamble/core/notes.tex}
+\input{headers/preamble/core/references.tex}
+\input{headers/preamble/core/visuals.tex}
diff --git a/build/latex/academia/headers/preamble/core/notes.tex b/build/latex/academia/headers/preamble/core/notes.tex
new file mode 100644
index 0000000..8eab467
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/notes.tex
@@ -0,0 +1 @@
+\usepackage[obeyFinal,%INIT_BABLE_LANGUAGE]{todonotes}
diff --git a/build/latex/academia/headers/preamble/core/references.tex b/build/latex/academia/headers/preamble/core/references.tex
new file mode 100644
index 0000000..69a6ad6
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/references.tex
@@ -0,0 +1,37 @@
+\usepackage[%INIT_BABLE_LANGUAGE]{babel} % For language support
+\usepackage{csquotes} % required by biblatex
+
+% \usepackage{biblatex-dw}
+\usepackage[backend=biber,
+	% style=footnote-dw,
+	% pageref=true,
+	% annotation=true,
+	% library=true,
+	%
+	style=numeric,
+	autocite=plain,
+	doi=true,
+	isbn=true,
+	loccittracker=true,
+	opcittracker=true,
+	% No idea what it does, but it was recomended to me
+	defernumbers=true
+]{biblatex} % For bibtex references
+\addbibresource{ref/references.bib}
+% \bibliography{res/reference} % Set the location of the references
+
+\usepackage[nospace,%INIT_BABLE_LANGUAGE]{varioref} % for \vref
+\usepackage[%INIT_BABLE_LANGUAGE, noabbrev, nameinlink]{cleveref}
+\usepackage[pdflang=%INIT_DATE_TIME_LANGUAGE]{hyperref}
+\hypersetup{
+	colorlinks,
+	linkcolor={black},
+	citecolor={black},
+	urlcolor={blue!80!black}
+}
+
+\ifdraft{
+	\usepackage{showlabels}
+} {
+	\message {Draft packages not loaded, showlabels not loaded.}
+}
diff --git a/build/latex/academia/headers/preamble/core/visuals.tex b/build/latex/academia/headers/preamble/core/visuals.tex
new file mode 100644
index 0000000..96a2fd2
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/visuals.tex
@@ -0,0 +1,10 @@
+\usepackage[disable=ifdraft]{microtype} % makes text better to read
+\usepackage{emptypage} % no page numbers and headings on empty pages
+
+\usepackage{blindtext} % blindtext
+
+
+% horizontal rule
+\NewDocumentCommand{\hr}{}{
+	\par\noindent\rule[0.5ex]{\linewidth}{0.5pt}
+}
diff --git a/build/latex/academia/headers/preamble/mod.tex b/build/latex/academia/headers/preamble/mod.tex
new file mode 100644
index 0000000..91ae2d7
--- /dev/null
+++ b/build/latex/academia/headers/preamble/mod.tex
@@ -0,0 +1,2 @@
+\input{headers/preamble/academia/mod.tex}
+\input{headers/preamble/core/mod.tex}
diff --git a/build/latex/academia/lpm.toml b/build/latex/academia/lpm.toml
index d72f80f..1821b73 100644
--- a/build/latex/academia/lpm.toml
+++ b/build/latex/academia/lpm.toml
@@ -5,12 +5,30 @@ section = '''
 %! TEX root = ../../../%INIT_APPLICATION_NAME.tex
 % LTeX: language=%INIT_LANGUAGE
 
-\section{REPLACMENT_SECTION_TITLE} % DATE
+\section{lpm::new_section_name} % lpm::current_date (lpm::current_chapter_name::title_case)
 '''
 
 chapter = '''
 %! TEX root = ../../%INIT_APPLICATION_NAME.tex
 % LTeX: language=%INIT_LANGUAGE
 
-\chapter{REPLACEMENT_CHAPTER}
+\chapter{lpm::new_chapter_name} % lpm::current_date
+'''
+
+figure = '''
+% LTeX: language=%INIT_LANGUAGE
+\documentclass[varwidth]{standalone}
+
+\input{../headers/preamble.tex}
+\input{../headers/preamble_local.tex}
+
+\usepackage{tikz}
+
+\begin{document} % lpm::current_date (lpm::new_figure_name)
+
+\begin{tizkpicture}
+    \node at (0,0) {Hello world!};
+\end{tikzpicture}
+
+\end{document}
 '''
diff --git a/build/latex/letter/build.sh b/build/latex/letter/build.sh
index 1206ee7..c67ad52 100755
--- a/build/latex/letter/build.sh
+++ b/build/latex/letter/build.sh
@@ -1,14 +1,30 @@
 #!/usr/bin/env sh
 
-# if no parameter is given, use 'dst' as destination directory
-if [ -z "$1" ]; then
-    dst=build
-else
-    dst="$1"
-fi
+file="./%INIT_APPLICATION_NAME.tex"
+dst=build
+
+clear=false
+
+for arg in "$@"; do
+    case "$arg" in
+    "--clear")
+        clear=true
+        ;;
+    --*)
+        echo "No such option: '$arg'"
+        exit 2
+        ;;
+    *)
+        file="$arg"
+        ;;
+    esac
+done
 
 # find all directories which are not the destination dir or inside it
 find . -type d -not -name "$dst" -not -path "./$dst/*" -printf '%P\n' | while IFS= read -r dir; do
     mkdir --parents "$dst/$dir"
 done
-latexmk -outdir="$dst" -file-line-error -pdflatex -recorder "./%INIT_APPLICATION_NAME.tex"
+
+test "$clear" = true && rm "$dst/${file%tex}out"
+
+latexmk -outdir="$dst" -file-line-error -pdflatex -recorder "$file"
diff --git a/build/latex/letter/flake.nix b/build/latex/letter/flake.nix
index 4847a9c..6a21c68 100644
--- a/build/latex/letter/flake.nix
+++ b/build/latex/letter/flake.nix
@@ -18,6 +18,17 @@
         flake-utils.follows = "flake-utils";
       };
     };
+    lpm = {
+      url = "git+https://codeberg.org/bpeetz/lpm.git";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        flake-compat.follows = "flake-compat";
+        flake-utils.follows = "flake-utils";
+        rust-overlay.follows = "rust-overlay";
+        crane.follows = "crane";
+        systems.follows = "systems";
+      };
+    };
 
     # inputs for following
     systems = {
@@ -33,6 +44,19 @@
         systems.follows = "systems";
       };
     };
+    crane = {
+      url = "github:ipetkov/crane";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        flake-utils.follows = "flake-utils";
+      };
+    };
   };
 
   outputs = {
@@ -40,6 +64,7 @@
     nixpkgs,
     flake-utils,
     treefmt-nix,
+    lpm,
     flake_version_update,
     ...
   }:
@@ -73,7 +98,7 @@
         '';
 
         installPhase = ''
-          install -D ./build/main.pdf "$out/%INIT_APPLICATION_NAME.pdf";
+          install -D "./build/%INIT_APPLICATION_NAME.pdf" "$out/%INIT_APPLICATION_NAME.pdf";
         '';
       };
     in {
@@ -91,6 +116,7 @@
           cocogitto
           reuse
           flake_version_update.packages."${system}".default
+          lpm.packages."${system}".default
           texlive
 
           zathura