content: create build an npm package with typescript

[Barbapapazes]

🔗 Linked issue

❓ Type of change

• [ ] 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• [x] 📰 Content (a new article or a change in the content folder)
• [ ] 🐞 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)
• [ ] 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• [ ] ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Showcase how to use TypeScript with unbuild in a new article.

Not that big but important since unbuild support TypeScript out of the box which is a great feature to highlight.

📝 Checklist

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

[nuxt-studio[bot]]

✅ Live Preview ready!

Name	Edit	Preview	Latest Commit
unjs-website	Edit on Studio ↗︎	View Live Preview	b83db4a318ad1ea3fad2b191a9620334b373cbf6

[Barbapapazes]

CI failed because Nitro is in strict mode and the article have a link to the first article.