fix(types): add missing shared types

[userquin]

🔗 Linked issue

resolves #3201

❓ Type of change

• 📖 Documentation (updates to the documentation, readme or JSdoc annotations)
• 🐞 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)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Nuxt module builder generating module types in types dts (node and some runtime hooks types), we use it in the default package export, but internal types created in module dts, this PR just adds a new subpackage export ./types using module.d.mts with the types only and also including the subpackage inside typesVersions to include node10 consumers.
This PR includes:

• add src/types.ts to the build config file to add shared types to the types dts
• refactor CI workflow to build after stubbing to fix lint script
• run build script after stubbing before running tests (to fix typecheck: tsc --noEmit)

This PR also changes the default subpackage export to use default instead import (ESM only).

📝 Checklist

• I have linked an issue or discussion.
• I have added tests (if possible).
• I have updated the documentation accordingly.

[pkg-pr-new]

Open in Stackblitz

pnpm add https://pkg.pr.new/@nuxtjs/i18n@3212

commit: 3b066c4

[userquin]

It works https://stackblitz.com/edit/github-z4bplq-q1xa2d?file=README.md

[userquin]

SB reproduction updated to use relative paths in nuxt config file (we cannot use nuxt aliases): registering also i18n.options.ts using relative path