Add `badges.edit` and `badges.search` to Conduit API
Summary: Ref T10671
Test Plan: Open Conduit application, open `badges.edit` or `badges.search`, create, edit, or query for a badge.
Reviewers: epriestley, #blessed_reviewers
Reviewed By: epriestley, #blessed_reviewers
Subscribers: Korvin
Maniphest Tasks: T10671
Differential Revision: https://secure.phabricator.com/D15622