add MathJax

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "revealjs/_assets/reveal.js"]
 	path = revealjs/_assets/reveal.js
 	url = https://github.com/hakimel/reveal.js
+[submodule "revealjs/_assets/MathJax"]
+	path = revealjs/_assets/MathJax
+	url = https://github.com/mathjax/MathJax

revealjs/_assets/MathJax

@@ -0,0 +1 @@
+Subproject commit 419b0a6eee7eefc0f85e47f7d4f8227ec28b8e57

revealjs/_templates/index.html.j2

@@ -38,6 +38,11 @@
 
         transition: '{{ transition }}',
 
+        math: {
+          mathjax: '../_assets/MathJax/unpacked/MathJax.js',
+          config: 'TeX-AMS_HTML-full'
+        },
+
         dependencies: [
           // Syntax highlight for <code> elements
           { src: '../_assets/reveal.js/plugin/highlight/highlight.js', async: true, callback: () => hljs.initHighlightingOnLoad() },
@@ -45,6 +50,8 @@
           { src: '../_assets/reveal.js/plugin/zoom-js/zoom.js', async: true },
           // Speaker notes
           { src: '../_assets/reveal.js/plugin/notes/notes.js', async: true },
+          // LaTeX rendering
+          { src: '../_assets/reveal.js/plugin/math/math.js', async: true }
         ]
       });
     </script>