- Remove return None from delete endpoints with 204 status code
- HTTP status code 204 must not have a response body per HTTP spec
- Fixed in both users.py and todos.py API endpoints
- Addresses AssertionError: Status code 204 must not have a response body
- Create User model and schema
- Implement password hashing with bcrypt
- Add JWT token-based authentication
- Create user and auth endpoints
- Update todo endpoints with user authentication
- Add alembic migration for user model
- Update README with new features