CEXT-6117: Support Admin UI components - usage.md

[oshmyheliuk]

Description

Update in usage.md after implementation of "Support Admin UI components"

https://jira.corp.adobe.com/browse/CEXT-6117

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have read the DEVELOPMENT document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[changeset-bot]

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