removes the readme template and generation of readme in favor of a simpler solution (-> editing the readme.md right away).
previously annotated parameters now got Javadoc instead.
gets rid of some dependencies and additional maven build step.
Testing done
mvn clean verify without issues.
### Submitter checklist
- [x] Make sure you are opening from a **topic/feature/bugfix branch** (right side) and not your main branch!
- [x] Ensure that the pull request title represents the desired changelog entry
- [x] Please describe what you did
- [ ] Link to relevant issues in GitHub or Jira
- [ ] Link to relevant pull requests, esp. upstream and downstream changes
- [x] Ensure you have provided tests - that demonstrates feature works or fixes the issue
Testing done
mvn clean verifywithout issues.