add short feed

ru/feed-short.xml

@@ -0,0 +1,30 @@
+---
+layout: none
+---
+<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
+    <channel>
+        <title>arcanis' blog</title>
+        <description>arcanis' blog (только названия)</description>
+        <link>{{ site.url }}/ru</link>
+        <image>
+            <url>{{ site.url }}/resources/icon-35x35.png</url>
+            <title>arcanis' blog</title>
+            <link>{{ site.url }}/ru</link>
+        </image>
+        <atom:link href="{{ site.url }}/ru/feed.xml" rel="self" type="application/rss+xml" />
+        {% for post in site.categories.ru limit:10 %}
+        {% if post.tags contains 'offtop' %}
+<!--               do nothing -->
+        {% else %}
+            <item>
+                <title>{{ post.title | xml_escape }}</title>
+                <description>{{ post.description | xml_escape }}</description>
+                <pubDate>{{ post.date | date: "%a, %d %b %Y %H:%M:%S %z" }}</pubDate>
+                <link>{{ site.url }}{{ post.url }}</link>
+                <guid isPermaLink="true">{{ site.url }}{{ post.url }}</guid>
+            </item>
+        {% endif %}
+        {% endfor %}
+    </channel>
+</rss>