feat: add Mydentify intent discovery skill

[mitdralla]

What this adds

This adds the public Mydentify find-products-by-intent skill to the Community Skills → Marketing section. The skill helps an agent match a person's desired outcome to published Mydentify intents and return evidence-backed product links.

Why it fits

• The repository explicitly indexes external SKILL.md projects.
• The linked skill is public, self-contained, and based on a real product-discovery workflow.
• It includes clear instructions and ranking safeguards against unsupported claims.
• The source is available without credentials at https://github.com/mitdralla/mydentify-agent-skills/tree/main/skills/find-products-by-intent

No new code or dependency is required in this catalog.

[vercel]

@mitdralla is attempting to deploy a commit to the Personal Team on Vercel.

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