Fmaste/network mux

[fmaste]

Description

reasonably detailed description of the pull request

Checklist

Quality

• [ ] Commit sequence makes sense and have useful messages, see ref.
• [ ] New tests are added and existing tests are updated.
• [ ] Self-reviewed the PR.

Maintenance

• [ ] Linked an issue or added the PR to the current sprint of ouroboros-network project.
• [ ] Added labels.
• [ ] Updated changelog files.
• [ ] The documentation has been properly updated, see ref.

[crocodile-dentist]

@coot should we make this a separate package eg. network-mux-trace?

[coot]

I'd move the library to cardano-diffusion:network-mux-trace, there a trace-dispatcher as s dependency is fine.