Using YZANE's plugin
<script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: {inlineMath: [['$', '$']]}, messageStyle: "none" });
</script>
/Users/<username>/.vscode/extensions/yzane.markdown-pdf-x.x.x/template/template.html