Add comprehensive Product Requirements Document for a TODO application including:
- Executive summary and problem statement
- Goals, objectives, and success metrics
- Target audience and user personas
- Functional requirements (CRUD, organization, UX features)
- Non-functional requirements (performance, usability, security)
- Technical requirements and data model
- User interface requirements and wireframes
- User stories with acceptance criteria
- Release plan (MVP through v2.0)
- Risks and mitigations
Co-authored-by: openhands <openhands@all-hands.dev>
