\documentclass[a4paper, 12pt]{article}
\usepackage[a4paper,left=2cm, right=2cm,top=2cm, bottom=2cm]{geometry}
\usepackage{tikz}
\usepackage{tikzpagenodes} % nodes for tikz
\usepackage{lipsum}
\usepackage{graphicx}
\usepackage{xcolor}
\usepackage{fontspec} % fonts
\usepackage{hyperref}%
\usepackage{vwcol} % multi column
\usepackage{float} % table position
\usepackage{booktabs}
\usepackage[
backend=biber,
style=numeric,
sorting=nyt,
natbib=true,
maxbibnames=9,
maxcitenames=2
]{biblatex} % include biblatex
\addbibresource{bibliography.bib} % include .bib file
\DeclareNameAlias{author}{last-first} % lastname first
\setlength\parindent{0pt} % set indent 0
\usetikzlibrary{positioning, calc} % setup tikz
\begin{document}
\input{sources/frontpage/frontpage} % input frontpage
\input{sources/test}
\newpage
\printbibliography
\end{document}