message: Rendered nothing if stack is empty
diff: @@ -6,7 +6,7 @@ import { NavigationStack } from 'navigation-react-native';
  const Stack = ({ children, ...props }) => {
  const stateNavigatorRef = useRef(new StateNavigator([]))
  const stateNavigator = stateNavigatorRef.current;
  - const [, setStates] = useState([]);
  + const [states, setStates] = useState([]);
  useEffect(() => {
  const validateNavigation = ({ __deleted }, _data, _url, _history, { state }) => (
  !__deleted && stateNavigator.states[state.key] === state
  @@ -36,7 +36,7 @@ const Stack = ({ children, ...props }) => {
  });
  return () => stateNavigator.offBeforeNavigate(validateNavigation);
  }, [ children ]);
  - return (
  + return !!states.length && (
  <NavigationHandler stateNavigator={stateNavigator}>
  <NavigationStack {...props} />
  </NavigationHandler>
  