- Created FastAPI application with Todo CRUD operations
- Implemented GET /api/v1/todos/ for listing todos with pagination
- Implemented POST /api/v1/todos/ for creating new todos
- Implemented GET /api/v1/todos/{id} for retrieving specific todos
- Implemented PUT /api/v1/todos/{id} for updating todos
- Implemented DELETE /api/v1/todos/{id} for deleting todos
- Added proper error handling with 404 responses
- Configured SQLAlchemy with SQLite database
- Set up Alembic for database migrations
- Added Pydantic schemas for request/response validation
- Enabled CORS for all origins
- Added health check endpoint at /health
- Updated README with complete API documentation
- Create app/db/base.py with SQLAlchemy Base definition
- Create app/db/session.py with database engine and session setup using absolute path /app/storage/db/db.sqlite
- Create app/models/todo.py with Todo model including id, title, description, completed, created_at, updated_at fields
- Create app/schemas/todo.py with Pydantic schemas for TodoCreate, TodoUpdate, and TodoResponse
- Add necessary __init__.py files for proper package structure
