Separate document for hands-on excercises

[nicholasdille]

Use MkDocs with Mermaid

Examples:

• https://labs.corewire.de/de/git/aufgaben/05-merge/
• https://gitlab.com/corewire/trainings/-/blob/main/.gitlab-ci.yml
• https://gitlab.com/corewire/trainings/-/blob/main/hands-on/config/en/mkdocs.yml
• https://gitlab.com/corewire/trainings/-/blob/main/hands-on/docs/en/git/exercises/05-merge.md

Alternatives to mermaid

• Use LaTeX with tikz to generate SVG (see example)
• Use GraphViz