GUI updates for multi repo support

The GUI needs to updated for multi repo support. This is what it looks like today:

I’m considering collapsing those three panes into one full width pane similar to this:

(not the graphical style, just the layout)

Yeah. Probably there should be a separate node editor dialog, perhaps that is what opens when you click “add node to repo”. There you can set options per node and select nodes to share the repo with.

Current idea:

Also works fine on mobile this time: