Make display selectable on which the screensaver should appear

[fl034]

Is your feature request related to a problem? Please describe.

I have a 3 display setup in my office and 3 animations at once would be a little too much for my colleagues :D

Describe the solution you'd like

Many of the 3rd party screensavers (example) have a dropdown menu similar like this, to black out all other displays.:

That would be great.

[pedrommcarrasco]

Sounds like a great idea! I'm currently out of time due to another project I'm working on but once I manage to find some time to work on Brooklyn's next version I'll try to get this done 😄