Let's have a very quick look at Git and Github - Git is an enormous topic, so this won't be an exhaustive tutorial but by the end of it we'll have a working knowledge of basic git workflow.
Full tutorial - https://core-electronics.com.au/tutor...
Core Electronics is your home in Australia for:
Raspberry Pi https://core-electronics.com.au/raspb...
Arduino https://core-electronics.com.au/ardui...