re-added home link to bread crumb

Author: dorafc

doc/_templates/layout.html

@@ -1,6 +1,7 @@
 {% extends "!layout.html" %}
 
 {%- block rootrellink %}
+        <li><a href="{{ pathto('index') }}">home</a>|&nbsp;</li>
         <li><a href="{{ pathto('contents') }}">contents</a> &raquo;</li>
 {%- endblock %}