feat: support jsx

[yuusheng]

🔗 Linked issue

https://github.com/unjs/jiti/issues/138

❓ Type of change

• [ ] 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• [ ] 🐞 Bug fix (a non-breaking change that fixes an issue)
• [ ] 👌 Enhancement (improving an existing functionality like performance)
• [x] ✨ 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

Currently jiti has no jsx support. This PR aims to support jsx with some simple configurations.

📝 Checklist

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

[yuusheng]

Should this PR merge into the main branch? Maybe merge into the v1 branch?

[pi0]

main should we fine we shall announce it for v2 👍🏼