docs(root.tsx): fix broken link on root.tsx page

[ytori]

This pull request includes a minor documentation fix to the root.tsx page. The change updates a relative link to ensure it correctly points to the intended route-module documentation.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 4509c05

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[ytori]

I realized that this PR duplicates #14273, so I will close it here.
I’ll wait for #14273 to be merged instead.

[timdorr]

Since we haven't gotten a response for the CLA on the other PR, let's merge in this one. Thanks!