Making use of command -move in xorriso-tcltk

frontend/README-tcltk

@@ -110,6 +110,11 @@ Options:
      The log lines will be appended. Path "-" means stderr.
  --script_log_all_commands
      With logging of commands log non-essential commands too.
+ --use_command_move
+     Use xorriso command -move for the "Move to: button
+     if xorriso version is >= 1.2.8
+ --use_command_mv
+     Use xorriso command -mv for the "Move to:" button.
 
 If neither --stdio nor --named_pipes is given, then this script
 will try to locate itself in the filesystem and start a xorriso