main.tex

\documentclass[12pt]{article}
\usepackage{pdfpages}
\usepackage{setspace}
\usepackage{tabularx}
\usepackage{siunitx}
\usepackage[german]{babel}
\usepackage[utf8]{inputenc}
\usepackage{graphicx}
\usepackage{csquotes}
\usepackage{tocbibind}
\usepackage[acronym, toc]{glossaries}
\usepackage[T1]{fontenc}
\usepackage{float}
\usepackage[version=4]{mhchem}
\usepackage{blindtext}

\graphicspath{{./img/}}
\hfuzz=5.0002pt
\voffset = 1cm
\setlength{\headheight}{110pt}
\usepackage[
defernumbers=true,
backend=biber,
style=ieee
%style=apa
]{biblatex}
%\DeclareLanguageMapping{german}{german-apa} % Wenn APA gewünscht
\usepackage{xurl}
\usepackage[hidelinks]{hyperref}
\usepackage[
    left = \glqq{},% 
    right = \grqq{},% 
    leftsub = \glq{},% 
    rightsub = \grq{} %
]{dirtytalk}
\usepackage{tocloft}
\renewcommand{\glstextformat}[1]{\textit{#1}}
\renewcommand{\it}[1]{\textit{#1}}
\def\hhref#1{\href{#1}{#1}}
\def\ccaption#1#2{\caption[#1\newline#2]{#1}}
\addbibresource{articles.bib}
\addbibresource{web.bib}
\BiblatexSplitbibDefernumbersWarningOff
\usepackage{amsmath}
\usepackage{blindtext}
\usepackage[a4paper, left=3.5cm, right=2.5cm]{geometry}
\usepackage{subfiles}
\input{glossary}
\renewbibmacro*{date}{%
  \iffieldundef{year}
    {\bibstring{nodate}}
    {\printdate}
}
\usepackage{fancyhdr}   
\renewbibmacro*{date}{
	  \iffieldundef{year}
	      {\bibstring{nodate}}
	          {\printdate}}

\DefineBibliographyStrings{german}{
  presentedat = präsentiert auf\addspace,
}
\addto{\captionsgerman}{\renewcommand{\abstractname}{Abstract}}
%\renewcommand\cftloftitlefont{\mdseries\Large} % optional
%\renewcommand\cftfigindent{0pt}  % no indentation
%\renewcommand\cftfigpresnum{(}   % prefix "(" before figure number
%\renewcommand\cftfigaftersnum{)} % affix ")" after figure number
\renewcommand{\thefigure}{(\arabic{figure})}
\begin{document}
\onehalfspacing
\pagenumbering{gobble}
\subfile{title}
\pagenumbering{Roman}

\subfile{abstract}
\pagebreak
\subfile{vorwort}
\pagebreak
\singlespacing
\tableofcontents
\onehalfspacing
\pagebreak
\pagenumbering{arabic}
\subfile{einleitung}
\pagebreak
\subfile{chapters/einfuehrung}
\subfile{chapters/slm}
\subfile{chapters/lmd}
\subfile{chapters/kapazitaeten}
\subfile{chapters/anwendungen}
\pagebreak
\subfile{chapters/fazit}
\pagebreak
\singlespacing
\printbibliography[nottype=online, heading=bibintoc]
\pagebreak
\newrefcontext[sorting=none,labelprefix={Web\space}]
\printbibliography[heading=bibintoc, title={Web-Quellen}, type=online]
\pagebreak
\listoffigures
\pagebreak
\listoftables
\pagebreak
\printnoidxglossary[sort=use, type=\acronymtype]
\printnoidxglossary[sort=use]
\pagebreak
\addcontentsline{toc}{section}{Anhang}
\includepdf{chapters/selbststaendigkeitserklaerung.pdf}
\end{document}