\nocite{*}
\section{References}
 \printbibliography[heading=subbibnumbered,title={perl-related links},keyword=perl]

 \printbibliography[heading=subbibnumbered,title={conda-related links},keyword=conda]
 \index{conda}

 \printbibliography[heading=subbibnumbered,title={VScode-related links},keyword=vscode]
 \index{VSCode}

 \printbibliography[heading=subbibnumbered,title={Other links},keyword=other]
 \index{pre-commit}
 \index{MiKTeX}

 \index{contributors}
 \printbibliography[env=specialbib,heading=subbibnumbered,title={Contributors (in chronological order)\label{sec:contributors}},keyword=contributor]
