Prepare presentation on simple modifications of docs on GitHub

[slafleche]

Presentation for CSMs to learn how to make basic changes through Github for docs.

• Prerequisites
  • Static Site generators
  • Hugo
  • A "real" text editor (like Sublime)
  • Optionally markdown editor like Typora
  • File Formats
  • YAML
  • Markdown
  • Hugo specific
• Making changes
  • Make a new branch
  • Editing existing files
  • Making a new file
  • Make PR

[slafleche]

Merged: https://github.com/vanilla/presentations/pull/9