Update map-keys.mdx

[jweinsteinafs]

Description

Update documentation to show actual returned results.

Example of output from running code: https://runkit.com/embed/h8xain1pkkkx

Checklist

• [x] Changes are covered by tests if behavior has been changed or added
• [x] Tests have 100% coverage
• [ ] If code changes were made, the version in package.json has been bumped (matching semver)
• [ ] If code changes were made, the yarn build command has been run and to update the cdn directory
• [x] If code changes were made, the documentation (in the /docs directory) has been updated

Resolves

// If the PR resolves an open issue tag it here. For example, Resolves #34

[vercel[bot]]

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

Name	Status	Preview	Comments	Updated
radash-docs	✅ Ready (Inspect)	Visit Preview	💬 Add your feedback	Mar 29, 2023 at 5:49PM (UTC)

[jweinsteinafs]

@manas-vessel