feat: [Shard-Distributor] Implementation of onboarding logic#7321

eleonoradgr wants to merge 4 commits intocadence-workflow:mastercadence-workflow/cadence:masterfrom

eleonoradgr:edigregorio/shard-distributor-migration-logiceleonoradgr/cadence:edigregorio/shard-distributor-migration-logicCopy head branch name to clipboard