777 scgpt cell type annotation workflow

[jakubmajercik]

Changelog

Issue ticket number and link

Closes #777

Checklist before requesting a review

• [ ] I have performed a self-review of my code

• [ ] Conforms to the Contributor's guide

• Check the correct box. Does this PR contain:

  • [ ] Breaking changes
  • [ ] New functionality
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  • [ ] Documentation
  • [ ] Bug fixes

• [ ] Proposed changes are described in the CHANGELOG.md

• [ ] CI tests succeed!

[dorien-er]

duplicated PR