Website: Fix typo on homepage by adding missing word add (#2570)

Author: tannerdolby

index.html

@@ -164,7 +164,7 @@ <h2 id="basic-usage-cdn">Usage with CDNs</h2>
 
 	<p>In combination with CDNs, we recommend using the <a href="plugins/autoloader">Autoloader plugin</a> which automatically loads languages when necessary.</p>
 
-	<p>The setup of the Autoloader, will look like the following. You can also your own themes of course.</p>
+	<p>The setup of the Autoloader, will look like the following. You can also add your own themes of course.</p>
 
 	<pre><code>&lt;!DOCTYPE html>
 &lt;html>