latex support

Author: agarnung

_layouts/post.html

@@ -34,4 +34,6 @@ <h1><b>{{ page.title }}</b></h1>
 <div class="pt-5">
   {% include blog/disqus.html %}
 </div>
-{% endif %}
+{% endif %}
+
+<script src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"></script>