\documentclass[10pt]{scrreprt}

% quick TOC setup
\KOMAoption{toc}{chapterentrydotfill}
% don't use parskip package, set parskip=full instead
\KOMAoption{parskip}{half}

\usepackage[twoside
            ,papersize={148mm, 210mm}
            ,layoutsize={148mm, 210mm}
            ,top=1.5cm
            ,bottom=2cm
            ,footskip=1cm
            ,textwidth=12cm
            ,verbose
            ]{geometry}

\input{preamble.tex}

% we need this dummy counter to make a label at the spieleabendplakat
\newcounter{dummy}

\newcounter{linkcounter}
\newcommand\linklist{}
\makeatletter
\def\@breaklinklistat{22}
\def\@breaklinklistandat{54}
\newcommand{\link}[1]{%
    \edef\tmptoken{\detokenize{#1}}%
    \@ifundefined{nopanic@link@\tmptoken}{%
        \edef\@linknumber{\arabic{linkcounter}}%
        \protected@edef\@tmpkey{{\fontsize{9pt}{0}\selectfont\keys{\@linknumber}}}%
        \expandafter\global\expandafter\edef\csname nopanic@link@\tmptoken\endcsname{\arabic{linkcounter}}%
        %
        % Standard print output:
        \expandafter\g@addto@macro\expandafter\linklist\expandafter{\@tmpkey & \url{#1}}%
        \ifx\@breaklinklistat\@linknumber
            \g@addto@macro\linklist{\\}%
        \else
            \ifx\@breaklinklistandat\@linknumber
                \g@addto@macro\linklist{\\}%
            \else
                \g@addto@macro\linklist{\\*}%
            \fi
        \fi
        %
        % Link system output:
        \immediate\write\linklistfile{RewriteRule "^\@linknumber$" "#1"}%
        %
        \stepcounter{linkcounter}%
    }{%
        \protected@edef\@tmpkey{{\fontsize{9pt}{0}\selectfont\keys{\csname nopanic@link@\tmptoken\endcsname}}}%
    }%
    \href{#1}{\@tmpkey}%
}
\makeatother

\sloppy % forces "ugly" line breaks

\pagestyle{plain}

\begin{document}
%Das Coverbild, oh gott o.O Aber es funktioniert
\newcommand\CoverPic{%
\put(0,0){%
\parbox[b][\paperheight]{\paperwidth}{%
\vfill
\centering
\includegraphics[width = \paperwidth, height = \paperheight]{cover/Vorne}%
\vfill
}}}
\thispagestyle{empty} %keine Seitenzahl
\AddToShipoutPictureBG*{\CoverPic}
\mbox{} %brauche leeren Content für ne newpage
%\newpage

% Linklist output
% All this stuff needs is immediate to avoid confusion between links on the same page
\immediate\newwrite\linklistfile
\immediate\openout\linklistfile=kopimi.htaccess\relax
\immediate\write\linklistfile{RewriteEngine On}
\immediate\write\linklistfile{RewriteBase /2021}

\include{texte/zeitplan}
\include{texte/inhaltsverzeichnis}
\include{texte/vorwort}
\include{texte/grusswort}
\include{texte/faq}
\include{texte/checkliste}
\include{texte/f1help}
\include{texte/fakultaet}
\include{texte/campus}
\include{texte/veranstaltungen}
\include{texte/studienalltag}
\include{texte/moduluebersicht}
\include{texte/links}
% \addchap{Notizen}\mbox{}
\include{texte/raetsel}
\include{texte/campusplan}
\include{cover/back}

% Always close your files :)
\immediate\closeout\linklistfile

\end{document}