Add lots of snippets

docs/documentation/components/menu.html

@@ -73,14 +73,7 @@ variables:
 
     <hr>
 
-    <div class="columns">
-      <div class="column is-3">
-        {{menu_example}}
-      </div>
-      <div class="column highlight-full">
-        {% highlight html %}{{menu_example}}{% endhighlight %}
-      </div>
-    </div>
+    {% include snippet.html content=menu_example size="one-third" %}
 
     {% include variables.html %}