New carousel indicators: dots, vertical, thumbs (#1101)

src/pages/_includes/example.html

@@ -42,6 +42,7 @@
 {% assign html = html | replace_regex: 'src="([^"]+)"', 'src="..."' %}
 {% assign html = html | replace_regex: 'href="([^#][^"]+)"', 'href="#"' %}
 {% assign html = html | replace_regex: '\{% hide %\}.*?\{% endhide %\}', '' %}
+{% assign html = html | replace_regex: 'class=" ', 'class="' %}
 
 {% assign html = html | htmlbeautifier %}