readme update

[micahjones13]

Brief Description

Updates the readme to temporaily comment out the UX Working group meeting. The working group meeting has been postponed due to a shift in focus of the Astro team to work on priority missions.

JIRA Link

Related Issue

General Notes

Motivation and Context

Issues and Limitations

Types of changes

• [ ] Bug fix
• [ ] New feature
• [ ] Breaking change

Checklist

• [ ] This PR adds or removes a Storybook story.
• [ ] I have added tests to cover my changes.
• [ ] Regressions are passing and/or failures are documented
• [ ] Changes have been checked in evergreen browsers

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