fix(nuxt): inject types for nuxt 4 too (+ add nuxt 4 example)

[MiniDigger]

Description

make sure to inject types into projects that use the newly released nuxt 4.

Linked Issues

didn't bother to open one. you can revert the change and run pnpm run typecheck to see the (vue-)tsc error

Additional context

not sure if there is a better way to make this check, maybe parse it as it and assert > 2 or something? nuxt 5 isnt thaaaat far away (but also easy enough to fix).
also not sure if a nuxt 4 example was worth but, but I figured since the dir structure is different it might be a good idea.

for anyone running into this too: you can manually add the types to your nuxt config for now:

typescript: {
  tsConfig: {
    compilerOptions: {
      types: ["unplugin-icons/types/vue"],
    }
  }
}

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[socket-security]

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[antfu]

As Nuxt3 and Nuxt4 is basically the same, I don't think we need to keep two versions in the examples. We could just rename the folder and bump the deps

[MiniDigger]

deleted the nuxt 3 folder

[socket-security]

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