Test multicomputer ROS2 with RasPi for basestation antenna

[alisonryckman]

The new basestation antenna is able to rotate via a motor and 3BM driven off a Pi. The Pi will need to communicate with the basestation over ethernet via ROS2 so we need to test flashing with Ubuntu 22.04 and building our codebase on the Pi.

https://roboticsbackend.com/ros2-multiple-machines-including-raspberry-pi/