Summary: Moved docs outside of FBInternal docs. Will make Sandy APIs the default in the docs soon, and move the links to the proper location, but this at least makes sure we can already link to the correct place in WP announcements
Reviewed By: jknoxville
Differential Revision: D24829287
fbshipit-source-id: 913f2db65a7cdd04bd1be47aebc48ece7a6cef04
