Visually group or label subgraphs

[PaulSchweizer]

Subgraphs should be visually identifyable, mabe even collapsible into a group?

[jonassorgenfrei]

We could use options from: #5

Do you mean:
https://github.com/PaulSchweizer/flowpipe/blob/master/examples/nested_graphs.py
as subgraphs or something else?

[PaulSchweizer]

Yes, exactly that