Make frwiki main page take up the full screen
Make frwiki main page take up the full screen

Adds a @media query from frwiki's Common.css that prevents content from
being split into right and left panes when the screen width is <= 981px.

Change-Id: I6839c14c9ceb9ea24b40887b404b2dfa41463ad8
Depends-On: I94589150c9ca3b77cc6ed62a8b825aa82ecd4c7e
Bug: T167307

wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia