storage: Add endpoint to get missing content (by sha1_git) and missing snapshot
Storage support for the web API endpoint /known/ (swh-web#2176 (closed))
Migrated from D2570 (view on Phabricator)
Staging instance, all changes can be removed at any time
Storage support for the web API endpoint /known/ (swh-web#2176 (closed))
Migrated from D2570 (view on Phabricator)