T357 - Drag and drop UI
Add JS drag and drop support to the search page Add CryptoJS library for hashing support, update metadata to reflect its usage Add JS client-side hashing to the search page Update base layout to include static css and responsive bootstrap css Update search page to support drag and drop Refactor static/ folder into categories Add backend and service functions to provide batch-lookup for missing content according to SHA1
Test Plan
Tests updated to reflect changes, all passing.
Migrated from D6 (view on Phabricator)