fix missed links to new multi-page docs

[ignatiusmb]

Site were recently upgraded to have multi-page docs and we missed some warning and error links that were not updated. Added changeset to have warning and error links be updated as well on newer versions.

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[changeset-bot]

🦋 Changeset detected

Latest commit: 28c951c

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@sveltejs/adapter-auto	Patch
create-svelte	Patch
@sveltejs/kit	Patch

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[PH4NTOMiki]

LGTM

[benmccann]

thanks!!