ace extension

Author: davidcarlisle

_includes/ace-editor.html

@@ -1,4 +1,5 @@
 {% if page.path contains "-" or page.path contains "help" %}
   <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.12/ace.min.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.12/ext-language_tools.js"></script>
   <script src="includes/buttons.js"></script>
 {% endif %}