fix: login example to use proper methods

packages/router/src/hooks/use_route.rs

@@ -106,7 +106,7 @@ impl Drop for UseRouteListener {
 }
 
 /// This hook provides access to the `RouterService` for the app.
-pub fn use_router(cx: &ScopeState) -> &RouterService {
+pub fn use_router(cx: &ScopeState) -> &Rc<RouterService> {
     cx.use_hook(|_| {
         cx.consume_context::<RouterService>()
             .expect("Cannot call use_route outside the scope of a Router component")