R1:c3809b0d593d

Add a Merchant logo to Phortune

Summary: Is a logo. For merchants.

Test Plan: Set a new logo, remove it. See on list.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T7607

Differential Revision: https://secure.phabricator.com/D16751