Please add DevFest Foumban to the list. (gdg-x#97)

* Please DevFest Foumban to the list.

* Update README.md

okay moved to the next row.

Author: abdellahrk

README.md

@@ -114,6 +114,7 @@ Going to use template? Go on! The only thing we ask - let us know at [*lviv@gdg.
 | [Geek Night Recife](http://geeknightrecife.github.io/) | [IO Extended 2016 Madrid ](http://io.gdg.es/) | [AngularCamp](http://angularcamp.org/) |
 | [Mobile Era 2016](http://mobileera.rocks/) | [GDG Francisco Beltrão](http://gdg-fb.github.io) | [Women Techmakers Istanbul 2016](http://2016.wtmistanbul.com) |
 | [Droidcon Paris 2015](http://droidcon.fr) | [Android Makers Paris 2017](http://androidmakers.fr) | [Heidelberger Symposium 2017](https://heidelberger-symposium.de/) |
+| [DevFest Foumban website](http://devfestfoumban.org) |
 
 
 ### Contributors