\documentclass[twocolumn, a4paper, 10pt]{article}
\usepackage[top=2cm, bottom=2cm, left=1.5cm, right=1.5cm]{geometry}
\usepackage[utf8]{inputenc} % support for utf8 chars
%\usepackage[english]{babel}
\usepackage[german]{babel} % german language

% general math stuff
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amsthm}

\usepackage[hidelinks]{hyperref} % clickable links
\usepackage{graphicx} % graphics
\usepackage{caption} % captions
%\usepackage{lmodern} % even nicer font
\usepackage[stable]{footmisc} % footnotes
\usepackage{svg}
\usepackage{subfig}
\usepackage{adjustbox}

% code listings
\usepackage{listings}
\usepackage{listings-golang}
\usepackage{pdfpages}

\lstset{
    frame=single,
    language=golang,
}

% tikz for drawing stuff and forest for nice graphs
\usepackage{tikz}
\usepackage{tkz-graph}
\usetikzlibrary{mindmap,trees,arrows,automata}
\usepackage{forest}

\linespread{1}
\hbadness=99999
\setlength\parindent{0pt}

\begin{document}
\input{docs/titleabstract.tex}
\tableofcontents

\input{docs/einleitung}
\input{docs/vorgehensweise}
\input{docs/generieren}
\input{docs/simulieren}
\input{docs/container}
\input{docs/netzwerk}
\input{docs/ergebnisse}
\input{docs/quellen}

\end{document}