WIP: Matrix RTC package

[mgcm]

:heavy_check_mark: Checklist

• [ ] A changeset describing the change and affected packages (more info).
• [ ] Added or updated documentation.
• [ ] Tests for new functionality and regression tests for bug fixes.
• [ ] Screenshots or videos attached (for UI changes).
• [ ] All your commits have a Signed-off-by line in the message (more info).

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: 1486b5835b9675a9e5804afc0b2bc401b7e23a8b

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