Added (very) basic Yelp documentation. Testing needed!

help/C/index.page

@@ -0,0 +1,20 @@
+<page xmlns="http://projectmallard.org/1.0/"
+      xmlns:its="http://www.w3.org/2005/11/its"
+      type="guide" style="2column task"
+      id="index">
+    <info>
+        <revision version="0.1" date="2013-09-11" status="candidate" />
+        <title type="link">Astrognome</title>
+        <title type="text">Astrognome</title>
+
+        <credit type="author copyright">
+            <name>Gergely Polonkai</name>
+            <email its:translate="no">gergely@polonkai.eu</email>
+            <years>2013</years>
+        </credit>
+
+        <desc>Astrologers' software</desc>
+    </info>
+
+    <title>Astrognome Help</title>
+</page>