Shaded start timeline

[paulmenzel]

Hobbies and school years, might start before the actual first year, where the „more relevant“ stuff happened. It’d be great to have some kind of mechanism, that the left part is shaded, if the year is smaller than first year.

\documentclass{moderncv}
\usepackage[firstyear=2002,lastyear=2021]{moderntimeline}
\moderncvstyle{classic}
\moderncvcolor{blue}
\name{John}{Doe}
\begin{document}
\makecvtitle

\section{Section}
\tlcventry{1998}{0}{GNU School}{The Internet}{}{}{Learning about free software}
\tlcventry{2002}{0}{GNU employment}{GNU Company}{}{}{Did great things}
\end{document}