Add new prompting resource

[wd021]

Summary

Adding resource God Tier Prompts to prompting guide.

Motivation

God Tier Prompts is a new resource that helps AI prompters contribute and surface the best of best prompts. It's the ultimate leaderboard for AI prompts.

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For new content

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• I have added a new entry in registry.yaml (and, optionally, in authors.yaml) so that my content renders on the cookbook website.
• I have conducted a self-review of my content based on the contribution guidelines:
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  • Correctness: The information I include is correct and all of my code executes successfully.
  • Completeness: I have explained everything fully, including all necessary references and citations.