Split db-init cli in 2 (init and create) and move them under 'swh db'
Also get rid of the previous (unused) 'swh db init' command.
Migrated from D4000 (view on Phabricator)
Staging instance, all changes can be removed at any time
Also get rid of the previous (unused) 'swh db init' command.
Migrated from D4000 (view on Phabricator)