Update [2.3.9]

-Settings for Header-Checking added (Rashr is getting more secure)
-Rashr flashing is getting more secure :). Image header added. (Can be disabled in settings)
-In-App colors adapter to Icon colors
-Ukranian translation added by Pavlo Motrunych :)
-Spanish translation improved by GitHub-User Pablohn26, Thanks
-Partial Greek translation by GitHub-User leskal, Thanks