Merge pull request airbnb#117 from nmussy/french_translation

Added French translation to the list

Author: hshoff

README.md

@@ -1486,6 +1486,7 @@
   - :cn: **Chinese**: [adamlu/javascript-style-guide](https://github.com/adamlu/javascript-style-guide)
   - :es: **Spanish**: [paolocarrasco/javascript-style-guide](https://github.com/paolocarrasco/javascript-style-guide)
   - :kr: **Korean**: [tipjs/javascript-style-guide](https://github.com/tipjs/javascript-style-guide)
+  - :fr: **French**: [nmussy/javascript-style-guide](https://github.com/nmussy/javascript-style-guide)
 
 ## <a name='guide-guide'>The JavaScript Style Guide Guide</a>