vcs: Minor changes to exercises.rst
Changed the directory structure of exercises repository and
accordingly changed the exercises sheet.
\documentclass{article}
\begin{document}
This is my first LaTeX document.
\begin{equation}
a^2 + b^2 = c^2
\end{equation}
\[
\begin{pmatrix}
\alpha& \beta^{*}\\
\gamma^{*}& \delta
\end{pmatrix}
\]
\end{document}