add katex

billryan · billryan · commit bea978f21554 · 2015-03-26T21:04:51.000+08:00
diff --git a/book.json b/book.json
@@ -1,7 +1,8 @@
 {
     "plugins": [
         "disqus",
-        "ga"
+        "ga",
+        "katex"
     ],
     "pluginsConfig": {
         "disqus": {
