docs(UST-1374): middleware-headers extension

[lukasborawski]

🔗 Linked issue

Internal task.

❓ Type of change

• [x] 📖 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)
• [ ] ✨ 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 PR provides documentation for the @vsf-enterprise/middleware-headers package.

📝 Checklist

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

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: 65c68bc19eab393aa4e26f2ce161a8d1b212f4c4

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