What's the problem this feature will solve?

Documentation is very basic and too dense

https://docs.readthedocs.com/platform/stable/visual-diff.html

Describe the solution you'd like

Add more headings, describe more each feature (visual diff / selecting files that changed from the list). Mention how to enable this feature, update the gif, mention the ignored files setting.

Additional context

Add any other context, links, etc. relevant to the feature request.