Updated Installation (markdown)

Installation.md

@@ -10,3 +10,9 @@ git clone  https://github.com/OpenDroneMap/OpenDroneMap.git
 cd OpenDroneMap;./install.sh
 
 Check that the install script ends with script finished or something went wrong
+
+An overview of installing and running OpenDroneMap on Ubuntu can be found here: https://www.youtube.com/watch?v=e2qp3o8caPs
+
+and here:
+
+https://www.youtube.com/watch?v=7ZTufQkODLs