I did https://youtu.be/28ARlDea2E0 video, showing how the Polylith repo has evolved over time. I used https://gource.io which was really easy to use, and it took me only an hour to install it and set it up the way I wanted! Thanks to everyone who contributed to the codebase so far!
There is now a cleaner variant https://youtu.be/cfVzy9iPpLg.