feat: evaluation and snippet

[FFXN]

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Related Issue

Closes #40

Summary

New features Evaluation and Snippets require the addition of new fields to the enumeration type of the workflow: snippet and evaluation.

Checklist

• This pull request links the issue it resolves or advances
• This pull request title follows Conventional Commits, and any breaking change is marked with !
• If CLA Assistant prompted me, I signed CLA.md in the pull request conversation

[github-actions]

All contributors on this pull request have signed the CLA.
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[FFXN]

I have read the CLA Document and I hereby sign the CLA

[laipz8200]

Based on internal discussions, we believe it is best not to add any new workflow types.