feat(nuxi): nuxi cleanup command

[pi0]

🔗 Linked issue

Resolves nuxt/nuxt#14382

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Introduce a new nuxi cleanup command that removes commonly generates nuxt files and caches.

This PR also improves nuxi upgrade by reusing new logic including more directories.

(after merge) It can be tested via npx nuxi-edge@latest cleanup

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

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