feat: add support for nuxt link locale from i18n

[UfukUstali]

For the types for the NuxtLinkLocale component to be generated correctly this module needs to be loaded after the i18n module. This is because of how we detect if this component exists in th first place. (see module.ts file)

I did try the following to avoid this:

• could not import component directly because the exports are locked down by the package.json file of the i18n repo (node complains at runtime) and the allowed files do not export the component (I don't know if there is a workaround)
• could not use the #components file because it is not generated yet
• could not use the #components file in the file that we generate to conditionally set the type to undefined because of how import/declare order goes around

Conditional generation and/or declaration of the types is required because this component was introduced on July 31. in the v8.0.0-rc.1 relase. If it is fine to include the types by default then all of the above can be safely ignored and changes can be made accordingly.

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[victorgarciaesgi]

Thanks for the PR @UfukUstali ! Must not have been easy to navigate the code as it's a bit of a mess 😅 . Just by looking at it it looks very good, i'll test it on my side. Just to understand, the <NuxtLinkLocale to='/foo' locale='fr'/> is like a shortcut to <NuxtLink to='toLocalePath('/foo', 'fr')'/> ?

[victorgarciaesgi]

Also do you mind trying to add unit type tests? :) Either on test/fixtures/complex/tests/i18n or test/fixtures/complex/src/pages/index.vue!

[victorgarciaesgi]

Upgraded the workflow engine to node 18, you can rebase for the tests to run

[UfukUstali]

So I did try to get tests to work but upgrading the the \@nuxtjs/i18n to a version that has the NuxtLinkLocale component broke other parts, mainly vueI18n configuration had to be in it's own file now and NuxtI18nOptions type was not exported anymore. (I still don't know how to fix the latter).

[victorgarciaesgi]

I do not have much time until next week, I'll keep you updated

[UfukUstali]

resolved with #128