Feature/rating pop up (#760)

* WIP

* WIP

* Add text

* Cleanup

* More Cleanup

* Update Changelog

* Fix layout

---------

Co-authored-by: Florian Schulze <flori.schulze@yahoo.de>
Co-authored-by: Florian Ostertag <flokuep@users.noreply.github.com>

Output/Themes/Changelog/Changelog_ScreenSing.txt

@@ -1,4 +1,9 @@
 ScreenSing
++++++++++
+Version 12
+
+Add:
+<RatingPopup>
 
 +++++++++
 Version 11