These were hidden for the 3.0 release, but we can re-enable them for
the beta release of 3.1.
Revert "v3: Drop parameters Side and Button."
This reverts commit 07c53e9a3d.
Revert "v3: Drop Remote control."
This reverts commit b600f5029e.
Revert "v3: Drop geometry module."
This reverts commit 5f767f3fee.
Revert "v3: Drop Prime Hub and Inventor Hub."
This reverts commit 8db7892f8c.
Revert "v3: Drop IMU documentation."
This reverts commit b325bf4bff.