add a slide about OTOL

2013/sf.pm/pres.tex

@@ -316,6 +316,20 @@
     git -C foo/ status $\sim$ make -C foo/
 }
 
+\frame{
+    \frametitle{Interesting Git Use Case}
+    The Open Tree of Life \\
+    github.com/opentreeoflife
+    \begin{center}
+        \begin{itemize}
+            \item Digital representation of the Tree Of Life
+            \item Storing JSON files in Git
+            \item Version control for evolution!
+            \item Currently implementing a web API around Git repo
+        \end{itemize}
+    \end{center}
+}
+
 \frame{
     \frametitle{Extra Credit}
     \# Read the first Git commit by Linus himself