message: Made tabs primary and only ran useNavigated on web
  The setTab in useNavigated mustn't run on native because the tabs reset on going back - the navigation data doesn't reflect the latest tab
diff: @@ -11,12 +11,15 @@ export default ({tweets, follows}) => {
  const [tab, setTab] = useState(tabs[data.tab]);
  const getHref = link => stateNavigator.historyManager.getHref(link);
  useNavigated(() => {
  - if (Platform.OS === 'web') document.title = !tabs[data.tab] ? 'Home' : 'Notifications';
  + if (Platform.OS === 'web') {
  + document.title = !tabs[data.tab] ? 'Home' : 'Notifications';
  setTab(tabs[data.tab])
  + }
  });
  return (
  <TabBar
  tab={tab}
  + primary={true}
  bottomTabs={true}
  swipeable={false}
  selectedTintColor="deepskyblue"
  