R1:0a2a5c717572

added crumbs + create link to Phriction Document Index

Summary: Missed the "Create Document" button, thus added crumbs to Phriction Document Index

Test Plan: verified it appeared and linked accordingly

Reviewers: epriestley, chad, btrahan

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5204