- Replace placeholder with full Windows USB writing implementation
- Use diskpart for USB drive formatting and partitioning
- Implement file copying with robocopy and Python shutil fallback
- Add bootloader file copying to make USB bootable
- Enhance USB device detection on Windows:
  - Show drive letters, volume names, and sizes
  - Fallback to Windows API for drive type detection
  - Better user-friendly device labeling
- Resolves 'Windows USB writing not implemented' error