v1.0

feat: initial open source release

✨ Features:
- Complete refactored codebase with modular components
- Secure API key encryption with AES-256-GCM and PBKDF2
- Daily automated metrics updates via Vercel cron jobs
- Beautiful responsive UI with dark/light theme support
- Comprehensive documentation for contributors

🔒 Security:
- AES-256-GCM encryption for API keys
- PBKDF2 key derivation with 100,000 iterations
- Rate limiting (3 requests/hour)
- Input validation and sanitization
- SSRF protection

📚 Documentation:
- Complete README with setup instructions
- Security policy (SECURITY.md)
- Contributing guidelines (CONTRIBUTING.md)
- MIT License

🏗️ Architecture:
- Modular component structure
- Separated client scripts
- Global CSS design tokens
- TypeScript throughout