feat: bootstrap Python project structure\n\n- pyproject.toml with FastAPI, YOLO, OpenCV, SQLite stack\n- src/sups_yolo modules: camera, preprocessing, models, core, data, training, api, web\n- config/example.json and config/local.json\n- tests/unit and tests/integration with pytest\n- CONTRIBUTING.md, .gitignore, data dirs\n- README tech stack and setup instructions