Add option for bibliography in metropolis

snippets/latex-mode/metro

@@ -11,6 +11,9 @@ Numbers={OldStyle}]{Fira Sans Light}
 \setmathsfont(Digits)[Numbers={Lining, Proportional}]{Fira Sans Light}
 \metroset{block=fill}
 
+% \input{$HOME/Documents/drive/res/latex-headers-templates/headers/bibsetup}
+% \bibliography{bib} % name bibfile bib.bib or change this
+
 \title{$1}
 \author{$2}
 \date{$3}
@@ -21,4 +24,8 @@ Numbers={OldStyle}]{Fira Sans Light}
 
 $0
 
+% \begin{frame}[allowframebreaks]
+% \printbibliography
+% \end{frame}
+
 \end{document}