content: add h3 101

[Barbapapazes]

trafficstars

🔗 Linked issue

fix #123

❓ 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

Add a new learn article about h3.

• [ ] Remove link to full example

📝 Checklist

• [x] I have linked an issue or discussion.
• [x] 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	7a8c8b1b8afd2351bfb4014bc47316bcb0cf4308

[Barbapapazes]

Need to rewrite this as a "write your first H3 server" (but still pass on most of the feature) to avoid to overlap with the incoming documentation.

The objective is to convince someone to continue to discover and use H3.

[Barbapapazes]

Do not forget to add links to the documentation and to add this to the template