fix(SimpleRouter): global middlewares

unstable/simplerouter/types.go

@@ -8,5 +8,5 @@ type RouteGroup struct {
 	mux                *http.ServeMux // A ponter to the underlying ServeMux, this allows us to call ListenAndServe on any instance
 	basePath           string         // The current path we are defining handlers on / appending to
 	middlewares        []Middleware   // Stack of middlewares that will be applied on a handler in order
-	global_middlewares []Middleware
+	global_middlewares *[]Middleware
 }