feat: add builderio provider

[Youhan]

🔗 Linked issue

❓ 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)
• ✨ 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

This pull request adds the Builder.io image provider.
Docs: https://www.builder.io/c/docs/image-api
❤️

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/@nuxt/image@2050

commit: a0cb74f

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 52 lines in your changes missing coverage. Please review.
✅ Project coverage is 6.90%. Comparing base (db87207) to head (a0cb74f).

Files with missing lines	Patch %	Lines
src/runtime/providers/builderio.ts	0.00%	50 Missing and 1 partial ⚠️
src/provider.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main   #2050      +/-   ##
========================================
- Coverage   6.99%   6.90%   -0.10%     
========================================
  Files         78      79       +1     
  Lines       3629    3681      +52     
  Branches     140     141       +1     
========================================
  Hits         254     254              
- Misses      3326    3377      +51     
- Partials      49      50       +1     

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