New
![Screenshot_20230823-002809](https://github.com/bazel-contrib/bcr-ui/assets/601283/1fa2b92a-010d-4964-acdd-fcd5c9c942a2)
Old
![Screenshot_20230823-002910](https://github.com/bazel-contrib/bcr-ui/assets/601283/d1066c4e-f25e-412a-9a3b-f303b7da9920)
Makes the sidebar wrap once the screen is small-ish (using the technique describe on https://every-layout.dev/layouts/sidebar/).
New
![Screenshot_20230823-002809](https://github.com/bazel-contrib/bcr-ui/assets/601283/1fa2b92a-010d-4964-acdd-fcd5c9c942a2)Old
![Screenshot_20230823-002910](https://github.com/bazel-contrib/bcr-ui/assets/601283/d1066c4e-f25e-412a-9a3b-f303b7da9920)