fix(webpack): transpile vue-demi

[danielroe]

🔗 Linked issue

resolvesnuxt/nuxt#14190

❓ 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

We need to transpile vue-demi as webpack otherwise tries to resolve this externally.

📝 Checklist

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

[netlify]

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[liuzycc]

version:v3.0.0-rc.6
You'll still get an error
H3Error: Cannot find package 'vue-demi'
need npm i vue-demi

[danielroe]

@liuzycc Please open a new issue with a reproduction 🙏