Render objects that implement the interface

[markphilpot]

Currently only the interface is rendered. Any objects implementing that interface are not.

[Macroz]

Graphs tend to get messy as there are more and more connections. I'll think about this one. Do you happen to have an example of the situation somewhere?

[markphilpot]

If you look at the github schema (https://github.com/APIs-guru/graphql-voyager/blob/master/src/introspection/presets/github_introspection.json) I believe it has a few interfaces/unions