- Move fastAPI from root to services/fastapi
- Update README with new structure and confirmed tech stack
- Update pad_scanner pointer to latest (.gitignore fix)
- Add services/fastapi submodule
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>