chore(repo): Typedoc generation improvements

[LekoArts]

• update config
• declarationMap
• make type unions interfaces and DRY up comments
• use tsc instead of tsup to enable declarationMap
• use markdown plugin

Description

Checklist

• pnpm test runs as expected.
• pnpm build runs as expected.
• (If applicable) JSDoc comments have been added or updated for any package exports
• (If applicable) Documentation has been updated

Type of change

• 🐛 Bug fix
• 🌟 New feature
• 🔨 Breaking change
• 📖 Refactoring / dependency upgrade / documentation
• other:

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
clerk-js-sandbox	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 6, 2025 4:04pm

[changeset-bot]

⚠️ No Changeset found

Latest commit: 3b28efd

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[LekoArts]

Closing in favor of #5099 and another upcoming PR