* added postgress docker compose examples
* move mysql flyway into server (remove from hawkbit-repository-jpa-flyway)
* in starters is added posgress and sqlserver flyway support - see [Flyway Modularity](https://github.com/flyway/flyway/issues/3780)
_release_notes_
Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>
