Export UI package to use in SRI `products`

[https://github.com/badass-courses/course-builder/tree/9382a6f62fd5c4a3e848979595091b7e00d9cd1b/packages/ui](https://github.com/badass-courses/course-builder/tree/9382a6f62fd5c4a3e848979595091b7e00d9cd1b/packages/ui)