clipdinger: update to release v1.2.2

* Clipdinger moved out of its "Clipdinger" subfolder right into $appsDir.
* The docs moved into $docsDir.

Clipdinger v1.2.2 changelog:

* Put Clipdinger directly into the apps folder instead of a "Clipdinger" subfolder
there. Move docs to the documentation folder.
* Added close button to window tab that minimizes Clipdinger.
* Bugfix: Save favorites after they got re-ordered.
* Bugfix: Fix crash when trying to delete last clip in history.
* Allow deleting last clip in history, which results in emptying the clipboard.
* Added partial Sardinian translation, thanks zumikkebe!