wxGUI: note user-defined models available from SVN

       (merge https://trac.osgeo.org/grass/changeset/51003 from devbr6)


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@51005 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/docs/wxGUI.Modeler.html

@@ -40,6 +40,10 @@ The modeler currently allows to:
 </em>
 
 <p>
+User-defined models available
+from <a href="http://svn.osgeo.org/grass/grass-addons/models">SVN</a>.
+
+<p>
 See also
 user <a href="http://grass.osgeo.org/wiki/WxGUI_Modeler">wiki</a> page
 (especially various <a href="http://grass.osgeo.org/wiki/WxGUI_Modeler#Video_tutorials">video