- Created main.py with FastAPI app, CORS configuration, and basic endpoints
- Added requirements.txt with necessary dependencies
- Set up app directory structure with proper organization
- Implemented base URL endpoint with app info and documentation links
- Added health check endpoint that reports application and database status
- Configured CORS to allow all origins
- Set up Alembic for database migrations with proper SQLite configuration
- Updated README with comprehensive project documentation
- Created app/db/base.py with SQLAlchemy Base to avoid circular imports
- Created app/db/session.py with SQLite database connection using /app/storage/db path
- Created app/models/todo.py with Todo model including all required fields
- Created app/schemas/todo.py with Pydantic schemas for request/response
- Added requirements.txt with FastAPI, SQLAlchemy, and other dependencies
- Created proper package structure with __init__.py files
