try to add formula support

docs/javascripts/Mathjax.js

@@ -0,0 +1,16 @@
+window.MathJax = {
+    tex: {
+      inlineMath: [["\\(", "\\)"]],
+      displayMath: [["\\[", "\\]"]],
+      processEscapes: true,
+      processEnvironments: true
+    },
+    options: {
+      ignoreHtmlClass: ".*|",
+      processHtmlClass: "arithmatex"
+    }
+  };
+
+  document$.subscribe(() => {
+    MathJax.typesetPromise()
+  })

mkdocs.yml

@@ -38,6 +38,11 @@ theme:
 extra_javascript:
   - https://cdnjs.cloudflare.com/ajax/libs/tablesort/5.2.1/tablesort.min.js
   - javascripts/tables.js
+  #math formulas
+  - javascripts/mathjax.js
+  - https://polyfill.io/v3/polyfill.min.js?features=es6
+  - https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js
+
 
 plugins:
   - search