I preferred to use a software tool, instead of paper, it took no time.
The target are people that have already a basic understanding of git and want to learn how to use branches to implement a new feature.
Something went quite wrong…the concept map doesn’t have many interconnections, I probably chose a topic which is linear, not particularly suitable for a representation as a concept map…
UPDATE 25 Jan thanks to comments by Anne and Jessica,
now remote (Github is purple, local is yellow), I also integrated the other comments.