- Add bilingual README with English/Turkish language switcher
- Create detailed package contribution guidelines with platform-specific naming conventions
- Add validation script for verifying package presets against database
- Include best practices and example PR format for contributors
- Add tsx dependency for running TypeScript validation scripts
- Document validation workflow with manual and automated verification options
- Added undici dependency and implemented three package fetcher variants (simple text parsing, v2 with better error handling, and official repository sync)
- Integrated real API calls in PlatformSelector and PackageBrowser components with fallback to mock data
- Extended sync API route to support multiple data sources (debian-simple, ubuntu-simple, debian-official-v2, etc.) with platform initialization
- Added pg and @types/pg dependencies for PostgreSQL integration
- Created database testing and backend initialization scripts
- Changed dev server port to 3002 to avoid conflicts