added phabricator configuration file

Summary: Change-Id: Ibc45b0aa50e97573f9a09a4f9bf180f8ce9167a9

Test Plan: look

Reviewers: cprodescu

Reviewed By: cprodescu

Differential Revision: http://phab.code4fun.de/D15

Change-Id: I33b25862299a763e819abb9104ef9740724255ff