Ventoy auto search images on all hard drives

ventoy.json

{
    "control": [
        { "VTOY_MENU_TIMEOUT": "60" },
        { "VTOY_DEFAULT_IMAGE": "F6>My boot menu" }
    ],
    "theme": {
        "display_mode": "CLI"
    }
}

ventoy_grub.cfg

insmod regexp

for pth in (*)/*vhdx; do
   regexp --set=img_path '^\(.*\)\/(.*$)' "$pth"
   menuentry "$img_path" "$pth" { 
      echo "$2"
      vhdboot_common_func "$2"	
   }
done

for pth in (*)/*vtoy; do
   regexp --set=img_path '^\(.*\)\/(.*$)' "$pth"
   menuentry "$img_path" "$pth" { 
      echo "$2"
      vtoyboot_common_func "$2"	
   }
done

menuentry '<-- Return to previous menu [Esc]' --class=vtoyret VTOY_RET {
    echo 'Return ...'
}