Do not include folders in sitemap.xml

Resources/Private/Templates/Sitemaps/RssFeed.xml

@@ -9,9 +9,11 @@
         <ttl>1800</ttl>
 
         <f:for each="{items}" as="item">
+            <f:if condition="{item.data.doktype} < 200">
                 {f:render(section: 'Item', arguments: {
                     item: item.data
                 })}
+            </f:if>
         </f:for>
     </channel>
 </rss>