* refactor: migrator and introduce Store.(Create|Delete)Bucket
feat: kvmigration internal utility to create / managing kv store migrations
fix: ensure migrations applied in all test cases
* chore: update kv and migration documentation
* feat(tenant): Add in service functions and business logic
Built on top of the crud layer of the system we should now have additional service logic.
The addition of service layer should allow for us to verify similar functionality to the kv system.
* feat(tenant): Build the crud actions for the new tenant service
To faciliate the isolation of domain specific systems we need to have a
isolated CRUD action system that we can layer business logic on top.
Co-authored-by: George <me@georgemac.com>