Lyrical tutorial docker container

I setup this repo to leverage docker so interns new to ROS 2 Lyrical can dive right into the ROS docs tutorial. The README has a checklist they can use as they progress though the documentation. I didn’t see a tutorial section in the Lyrical docs, similar to the Jazzy docs, but I did check to ensure the lyrical equivalent repos for the Jazzy tutorial docs exist and are installed when setting up the docker container.

The original jazzy version is found here: