Add Figma code connect forn River component

[danielguillan]

Summary

Adds basic Figma code connect to the River component.

List of notable changes:

• Adds Figma code connect file for the River component
• Disables i18n-text/no-en in Figma code connect files to support some Figma layer names

What should reviewers focus on?

• Test River examples in dev mode on the main branch in Figma.

Screenshots:

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: ca08c465b7e4cc1be4d282ede4477f6246a35d96

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

[github-actions[bot]]

🟢 No design token changes found

[github-actions[bot]]

🟢 No visual differences found

Our visual comparison tests did not find any differences in the UI.