Beginning of introduction

src/index.tex

@@ -16,6 +16,10 @@
 \usepackage{hyperref}
 \usepackage{acro}
 \usepackage{lipsum}
+\usepackage{siunitx}
+\usepackage{url}
+\usepackage[square,numbers]{natbib}
+\usepackage{pgfplots}
 
 % Configurations
 \setlength\textheight{24cm}
@@ -24,6 +28,7 @@
 \numberwithin{listing}{section}
 \numberwithin{equation}{section}
 \numberwithin{figure}{section}
+\sisetup{group-separator = {,}, group-minimum-digits = 4}
 
 % Penalties
 \clubpenalty = 10000
@@ -114,7 +119,7 @@
 % References
 \phantomsection
 \addcontentsline{toc}{section}{References}
-\bibliographystyle{unsrt}
+\bibliographystyle{unsrtnat}
 \bibliography{doc}
 
 \end{document}