docs: Mention issue with draft prop

[zr00da]

🔗 Linked issue

https://github.com/nuxt/content/issues/1523

❓ Type of change

Linked to the current issue with the prop

• [ ] 📖 Documentation (updates to the documentation or readme)
• [x] 🐞 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)
• [ ] ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Resolves https://github.com/nuxt/content/issues/1523

📝 Checklist

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