[DRAFT] feat(showcase): implement POC for component details page

[larsrickert]

Relates to #5391

Implement POC for the component detail page of our showcase.
Work in progress. Feel free to leave feedback and ideas!

Checklist

• The added / edited code has been documented with JSDoc
• If a new component is added, at least one Playwright screenshot test or functional test is added
• A changeset is added with pnpm exec changeset add if your changes should be released as npm package (because they affect the library usage)
• I have performed a self review of my code ("Files changed" tab in the pull request)
• All relevant changes are documented in the documentation app (folder apps/docs) if needed

[changeset-bot]

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Latest commit: 5ea02de

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