groq-builder: WIP cleanup

[scottrippey]

What

Based on feedback, this PR seeks to improve the codebase:

• [x] Clean up, rename, refactor complex types
• [x] Add better documentation around them (jsdocs)
• [ ] Add a CONTRIBUTING.md with instructions and an overview

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1 Ignored Deployment

| Name | Status | Preview | Updated (UTC) | | :--- | :----- | :------ | :------ | | **groqd** | ⬜️ Ignored ([Inspect](https://vercel.com/formidable-labs/groqd/6ydve7UqHvQn2WGcXxeP4P1fdKm7)) | | Jan 25, 2024 3:20pm |

[scottrippey]

@bkonkle Thank you for all the feedback so far! I've merged all this work into my zod-again branch, to consolidate it all.