Added flask-extension-wizard link.

flask_website/templates/extensions/creating.html

@@ -30,6 +30,10 @@
       Ideally your extension has at least one example in the repository
       or tarball so that it's easier to understand how it works.
   </ol>
+  <p>
+    To simplify creating new extensions there is a script that can
+    bootstrap a new extension: <a href="http://github.com/mitsuhiko/flask-extension-wizard"
+    >flask-extension-wizard</a>
   <p>
     We scan the PyPI index in regular intervals for new Flask packages
     so your extension should sooner or later end up here.  If this is