chore(module): simplify files array in package.json

[sandros94]

🔗 Linked issue

N/A

❓ 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)
• ✨ 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

I don't see a reason why we are shipping the local dev build (.nuxt/ui folder) as well as the dev cli within the module publish itself. This will also make it 250kb lighter!

Am I missing something?

📝 Checklist

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