- Add T-Deck device definition with verified USB IDs (303a:1001)
- Add T-Deck to supported_devices list
- Uses t-deck firmware identifier and ESP32 device class
- Supports Linux (ttyACM), macOS (cu.usbmodem), and Windows (COM) ports
- Update .gitignore to exclude virtual environment files

T-Deck is now fully supported and automatically detected by the CLI.