Merge pull request #1071 from reod/patch-1

Add missing Redirect import.

Author: mjackson

docs/guides/overview.md

@@ -464,4 +464,5 @@ var NotFoundRoute = Router.NotFoundRoute;
 var DefaultRoute = Router.DefaultRoute;
 var Link = Router.Link;
 var RouteHandler = Router.RouteHandler;
+var Redirect = Router.Redirect;
 ```