Add GDG Omsk to Readme links

Author: AlexKorovyansky

README.md

@@ -77,6 +77,7 @@ Going to use template? Go on! The only thing we ask - let us know at [*lviv@gdg.
 
 * [GDG DevFest Ukraine 2014](http://devfest.gdg.org.ua/)
 * [GDG DevFest Instanbul 2014](http://devfesttr.com/)
+* [GDG DevFest Omsk 2014](http://gdg-devfest-omsk.org/)
 
 ### Contributors
 * Design and markup: [Oleh Zasadnyy](https://github.com/ozasadnyy)