* remove spring dep
move junit, logging, mockito under dep mgmt
* upgrade anti-corruption-layer deps
* async method invocation
* balking, bloc
* bridge to bytecode
* caching
* callback - cqrs
* component - health check
* hexagonal - metadata mapping
* rest of the patterns
* remove checkstyle, take spotless into use
* Getting @Test from JUnit5 instead of JUnit4
* Changed FixedStepGameLoopTest.java imports and tests to JUnit5
* JUnit4 to JUnit5
* JUnit4 to JUnit5
* JUnit4 to JUnit5
* JUnit4 to JUnit5