\end{block}
\end{frame}
+\begin{frame}
+ \frametitle{Add your shopping list to the repo!}
+ \begin{block}{List your username and I'll give you write access}
+ \url{https://github.com/dopefishh/gitworkshop}
+ \end{block}
+\end{frame}
+
\begin{frame}
\frametitle{Tags}
\begin{itemize}