docs(nuxt): Add troubleshoot pnpm

[s1gr1d]

DESCRIBE YOUR PR

Documenting troubleshooting pnpm, as they don't hoist dependencies.

Problems with pnpm came up in getsentry/sentry-javascript#13917 and getsentry/sentry-javascript#14168

I also updated the information around @vercel/nft since nitro released a new version and includes this version upgrade: nitrojs/nitro#2703 (comment)

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[codecov]

Bundle Report

Changes will decrease total bundle size by 15 bytes (-0.0%) ⬇️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	8.58MB	9 bytes (-0.0%) ⬇️
sentry-docs-client-array-push	8.94MB	6 bytes (-0.0%) ⬇️

[Lms24]

I think it absolutely makes sense to document this! As discussed, the placement makes sense.

[coolguyzone]

Thanks for the update! Added one small suggestion, looks good to go!