Initial commit: Complete Quixotic Telegram MiniApp implementation

- Set up Express.js server with YouTube search and MP3 conversion API
- Created Telegram Web App frontend with responsive design
- Implemented SQLite database for user management and history
- Added Telegram Bot integration with commands and Web App support
- Configured FFmpeg-based audio conversion pipeline
- Added comprehensive documentation and deployment guides

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,42 @@
+# Dependencies
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Environment variables
+.env
+.env.local
+.env.production
+
+# Database
+database/*.db
+database/*.sqlite
+
+# Downloads
+downloads/
+*.mp3
+*.mp4
+
+# Logs
+logs/
+*.log
+
+# OS
+.DS_Store
+Thumbs.db
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Runtime
+.pid
+.seed
+.coverage
+
+# Build
+dist/
+build/