Fix code examples in images and files docs

[djordje-st]

Small fix for some typos in the code examples for images and files.

[changeset-bot]

⚠️ No Changeset found

Latest commit: f140d3d

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

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated
keystone-next-docs	✅ Ready (Inspect)	Visit Preview	Jun 26, 2022 at 5:37PM (UTC)

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit f140d3d:

Sandbox	Source
@keystone-6/sandbox	Configuration

[borisno2]

Thanks for taking the time to put together this PR @EvonuX