Extend GitHub pages with support for LaTeX, plotly, etc.
xhub is a browser extension that lets you use various add-ons on GitHub READMEs, issues, wikis etc. The add-ons currently are
* KaTeX for LaTeX mathematics
* Chart.js for charts
* Plotly for graphing
* embed YouTube videos
See https://github.com/nschloe/xhub for more details.