Describe the bug

Thanks for your great library. I find it very useful. For my Use Case it would be nice having SubLabels also on Edges.
Maybe you can think about this?

Steps to Reproduce the Bug or Issue

Requested feature, not a bug.

Expected behavior

As a user I would like to add SubLabels also to Edges similar to Nodes.

Screenshots or Videos

No response

Platform

Platform independent, since it is a Feature Request.

Your Example Website or App

No response

Additional context

Would be nice to have a template for feature requests. Posting this as a bug seems wrong to me.
Sorry for the inconvenience.