Intro to ROS

Former Rover Software Team Lead, Harry J.E Day goes through an introduction to "the Robotics Operating System" (ROS) covering setting up ROS catkin workspaces, and basic publishers and subscribers.

Errata:
- Some slides in the recording refer to "std_msg" there should be an 's' on the end (i.e "std_msgs")
- In step 4 of the "Publisher (cont)" section there should be an e on the end of "pub_node"
- The person on the last slide was the first robotics COO at BLUEsat not CTO.

These have all been corrected in the slides.

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[TNGPU]

Greetings from the Orion team, Marcin Maciejewski here ;)