fix: provide a valid nuxt guide

[remonke]

The current Nuxt example is kinda bad. It doesn't work, and could make some new-comers a bit.

Now the provided code actually works.

[notrab]

Thanks for the PR @remonke 👏🏻

We're taking a look at this now, sorry it took so long. Notifications were off for me 🤦🏻

[notrab]

@xinnks are you ok if I merge this?

[xinnks]

@notrab I am.