Spring-ai [ISSUE-212] Package name refactoring with common rules

See #212 for details

Comment From: markpollack

I think we had two ships crossing in the night, this https://github.com/spring-projects/spring-ai/commit/a48a6d96113397b2daf2b970bc64a60cb9a35b04 has fixed it. Closing the PR, but thanks for the contribution.