link GitHub Guides to this training

[rootsmusic]

Feature Request

Please link GitHub Guides to this training.

Describe your ideal solution
Link https://guides.github.com/features/mastering-markdown/ to this training.

Describe alternatives you have considered
Link https://docs.github.com/en/github/writing-on-github/getting-started-with-writing-and-formatting-on-github to this training.