Add website link in introduction

introduction/introduction.tex

@@ -34,16 +34,14 @@
   \item \textcolor{lecture}{Introduction}
   \item \textcolor{lecture}{Git basics}
   \item \textcolor{practical}{Practical 1}
+  \item \textcolor{lecture}{Colaboration: combining changes by merging}
+  \item \textcolor{practical}{Practical 2}
   \item \textcolor{break}{Lunch break}
   \item \textcolor{lecture}{Colaboration: remote repositories}
-  \item \textcolor{practical}{Practical 2}
-  \item \textcolor{break}{Break}
-  \item \textcolor{lecture}{Colaboration: combining changes by merging}
   \item \textcolor{practical}{Practical 3}
-  \item \textcolor{break}{break}
-  \item \textcolor{lecture}{GitLab and Markdown}
-  \item \textcolor{practical}{Practical 4}
  \end{itemize}
+ \bigskip
+ \url{https://git.lumc.nl/courses/gitcourse}
 \end{pframe}
 
 \section{Introduction Outline}