Add documentation use cases for llms

[khromov]

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 681f270

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[svelte-docs-bot]

Preview: https://svelte-dev-git-preview-svelte-16867-svelte.vercel.app/

[github-actions]

Playground

pnpm add https://pkg.pr.new/svelte@16867