Merge pull request #81 from zuoxingdong/patch-1

Support MathJax for rendering equations.

Author: staeiou

_includes/head/custom.html

@@ -23,4 +23,16 @@
 <meta name="msapplication-config" content="{{ base_path }}/images/browserconfig.xml?v=M44lzPylqQ">
 <meta name="theme-color" content="#ffffff">
 <link rel="stylesheet" href="{{ base_path }}/assets/css/academicons.css"/>
+
+<script type="text/x-mathjax-config"> MathJax.Hub.Config({ TeX: { equationNumbers: { autoNumber: "all" } } }); </script>
+<script type="text/x-mathjax-config">
+  MathJax.Hub.Config({
+    tex2jax: {
+      inlineMath: [ ['$','$'], ["\\(","\\)"] ],
+      processEscapes: true
+    }
+  });
+</script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"></script>
+
 <!-- end custom head snippets -->