change project structure to more pretty one

feed-short.xml

@@ -14,6 +14,9 @@
     <atom:link href="{{ site.url }}/feed.xml" rel="self" type="application/rss+xml" />
     {% for post in site.categories.en limit:10 %}
       {% if post.tags contains 'offtop' %}
+<!--               do nothing -->
+      {% else %}
+      {% if post.categories contains 'projects' %}
 <!--               do nothing -->
       {% else %}
         <item>
@@ -24,6 +27,7 @@
           <guid isPermaLink="true">{{ site.url }}{{ post.url }}</guid>
         </item>
       {% endif %}
+      {% endif %}
     {% endfor %}
   </channel>
 </rss>