Cnb-tools

Features
- Add new CLI command: `cnb-tools submission SUBCOMMAND` (14, 19)

Docs
- Add Termynal plug-in (10))

Internal
- Dependency version bump (18)
- General CI workflow updates (11, 13)


**Full Changelog**: https://github.com/Sage-Bionetworks-Challenges/cnb-tools/compare/v0.1.1...v0.2.0

What's Changed
* Publish Docker image to ghcr. PR 8


**Full Changelog**: https://github.com/Sage-Bionetworks-Challenges/cnb-tools/compare/v0.1.0...v0.1.1

What's Changed
* Add initial version of code, docs, etc.
* Add CI workflows and templates.


**Full Changelog**: https://github.com/Sage-Bionetworks-Challenges/cnb-tools/commits/v0.1.0