Tidy up

- Switch to mvn
- Add README
- Add LICENSE
- Update command names
7 jobs for master
Status Name Job ID Coverage
  Build
canceled build #17260

 
  Test
canceled code_quality #17262
allowed to fail

canceled container_scanning #17266
allowed to fail

canceled dependency_scanning #17265
allowed to fail

canceled license_management #17263
allowed to fail

canceled sast #17264
allowed to fail

canceled test #17261