Use this update set in conjunction with the Experience Page Repository to see what the current version of the custom component looks like and how it works.
When committed to an instance, this update set will provide the already compiled version of the Menu Builder custom component in UI Builder, and it will enable the experience page from the repository above to work. Make sure you pull the Experience Page Repository to your instance first before committing this update set.
For more information, please reference the CONTRIBUTING.md file in this repository and the repository linked above.