v0.3.0

• add hardware acceleration for debian
  • enable hardware acceleration for chromium.
  • you should enable other apps manually by adding evnironment: MESA_LOADER_DRIVER_OVERRIDE=zink TU_DEBUG=noconform
• re-construct the backup design
  • merge distro-backup and profile-backup folders into backups folder
  • support three types of backups: distro image, distro profile, termux profile
  • update the backup and recover documents
• re-construct the app installation desgin
  • merge setup_* function into install_* function