* Add postgres support
* Add testing for postgresql databases
Split surefire tests into: unit-tests, postgres-integration-tests, mysql-integration-tests
Integration tests get db information from system properties
All tests ending in ResourceTests.java are integration tests, all other are unit tests
Move to using testscointainers, remove embeded mysql
* Fix some tests
* Fix webhook and table tests
* Fix random name generation in tests, remove parallelism
* Fix style
* Add headers, fix config files
* Apply formatting
* Fix tag ussage query for postgres
* Replace references to mysql with generic database
* Fix postgres migration file
* Fix postgres migration script
