Broken Pages "Theme Creation Tool"

Trying to follow the docs here: Theme Creation Tutorial - Fred (modxcms.github.io)

Videos don’t work and screenshots are missing. Is there a more “Current / Updated” resource site?

Here is the corresponding site in the normal MODX docs that at least shows the screenshot.

The missing videos (basic-use.mp4 and basic-use-2.mp4) seem to be from this folder in the Github repository:

I found this helpful: Cooking with MODX - Fred Themes