docs: match the open graph protocol markup

[IsraelOrtuno]

🔗 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 like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

https://ogp.me/ suggests to use the attribute property instead of name when defining OpenGraph metadata.

📝 Checklist

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

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[danielroe]

Thank you ❤️

[TheAlexLichter]

@harlan-zw Maybe unhead could allow both, nameorproperty and automatically choose the right one (e.g. property for og: tags, name otherwise?)

[harlan-zw]

@harlan-zw Maybe unhead could allow both, nameorproperty and automatically choose the right one (e.g. property for og: tags, name otherwise?)

The logic for determining that is actually quite complex (like 1kb of scripts), so instead, we implement this type of logic in a opt-in composable.

https://unhead.harlanzw.com/guide/guides/useseometa

PR should be up very shortly