Added youtube video to docs/gource.md

elgalu · elgalu · commit c191ff49b955 · 2016-04-22T21:10:22.000+02:00
diff --git a/docs/gource.md b/docs/gource.md
@@ -1,5 +1,7 @@
 # Grouce.io
-From a git repository history to video visualization.
+From a git repository history to [video visualization](https://youtu.be/OU7IdCSB_0E).
+
+[![video visualization](https://i.ytimg.com/vi/OU7IdCSB_0E/hqdefault.jpg)](https://youtu.be/OU7IdCSB_0E)
 
 ## Requirements
 Tested on Ubuntu 15.10
