This repo is just a convenience copy of unmantained (and unsafe) code. Please use alternatives such https://github.com/nschloe/green-pi .
Repo containing packaged version of github-mathjax extention for Firefox.
See orsharir/github-mathjax#6 .
Download https://github.com/traversaro/github-mathjax-firefox/releases/download/v0.2.3/github_with_mathjax-0.2.3.xpi and install it with Firefox.