Initial set up

[rikedyp]

• [x] Write Getting Started
• [x] Write Helpful Tips
• [x] Set up publishing with GitHub Pages https://github.com/mhausenblas/mkdocs-deploy-gh-pages

[rikedyp]

Turns out the GH action was unnecessary Followed https://www.mkdocs.org/user-guide/deploying-your-docs/ and used mkdocs gh-deploy instead