feat: improve where query types

[farnabaz]

🔗 Linked issue

resolves#1358

❓ 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

Improve types of query builder. Add type for where conditions.

📝 Checklist

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

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[Tahul]

This looks amazing, I love it 😍

[Tahul]

As you are opening a PR on types, I added a small commit, it should resolve #1358

I would love to get feedback on it, as I've tried it locally with yarn link and it seemed to have improved the situation for inference with Volar, but I guess we need multiple validations on this. 😅

[farnabaz]

I can confirm that renaming files to .vue improve the typings of components.