Add I2K youtube videos

Author: Laurent Thomas

_pages/develop/index.md

@@ -232,3 +232,9 @@ Start with the [ImageJ2 tutorial notebooks](/tutorials/notebooks)!
   </tbody>
 </table>
 {:/}
+
+Also check the Youtube tutorials from the I2K conference channel such as
+    
+    {% include video platform='youtube' id='3SMLgHnpvRI' %}
+    
+    {% include video platform='youtube' id='vokM-yvBx8M' %}