Documentation Updates:
- Add migration warning and quick links section to README
- Expand installation section with update instructions
- Create comprehensive MIGRATION.md guide with:
* Step-by-step migration process
* Before/after structure comparison
* Command syntax changes reference
* Common issues and solutions
* Testing instructions and rollback steps
- Document breaking changes in command invocation syntax
- Add troubleshooting resources and help links
This provides a smooth user experience for the major repository restructure.
