Simple Gaps as overlay

Simple Gaps indicator as an overlay. Otherwise, identical to SImple Gaps which you can find here

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Versionshinweise:

Added Joby Gap

Versionshinweise:

I didn't like the distraction of the text of 'Joby Gap', so I replaced it with a white dot. The dot is shown at the actual bar where the Joby gap triggers. If you think the previous version is better, please let me know.

Versionshinweise:

Changed title