Add Menu Bar Icon

[FabrizioBrancati]

Is your feature request related to a problem? Please describe.
It would be useful to have a new option in the General section of the app's Settings, to allow the user to select if he/she wants to have the app in the Dock or in the Menu Bar.

Describe the solution you'd like
Add a new General section in the app's Settings to allow the user select if the app should be shown on the Dock or in the Menu Bar.
This option will be a simple Dropdown with 2 values: Dock and Menu Bar.
Currently, both are not supported because that option will not be useful.

Describe alternatives you've considered
None.

Additional context
None.