Add a cancel option to new empty container
When l3d gets started in an empty directory, a menu with 3 options is presented. If that's cancelled the container quits too. This should not be the case, we want to stay in the container in that case.
When l3d gets started in an empty directory, a menu with 3 options is presented. If that's cancelled the container quits too. This should not be the case, we want to stay in the container in that case.