Multiple Core instances, single UI seat

[alfiepates]

Would it be a sensible roadmap item to have UI able to manage multiple instances of Core?

I'm currently experimenting with Restreamer in a context where we have 4x boxes with AJA capture cards handling a few channels of encoding each (Currently gstreamer, but we'd like to switch to something a bit more orchestratable).

As it is, we're running the bundled docker container on each box, but this does require running 4x tabs of UI for managing the four boxes.

It would be nice to be able to point a UI instance at multiple instances of core, and manage all 12 streams from one UI.