Fix GitHub Actions permissions for security scan upload

Update CodeQL action from v2 to v3

Fix Docker build by copying README.md and entire app/ directory

Fix Docker build failure by copying app/__init__.py before dependency installation

Fix CI build and security scan workflow

Add pre-commit hooks and fix CI configuration

Fix mypy type checking issues and add comprehensive Makefile

Fix black formatting issues

Fix model rebuild for forward references

Fix CI failures: resolve linting errors and authentication test issues

feat: complete FastAPI DDD template implementation to 100%

feat: complete FastAPI DDD template implementation to 100%

Update setup instructions to use uv instead of venv

Initial commit: FastAPI DDD template with production-ready structure