fix iOS example project

example/index.android.js

@@ -1 +1 @@
-import App from './src/app';
+import App from './src/app.android';

example/src/app.ios.js

@@ -0,0 +1,25 @@
+import {Navigation} from 'react-native-navigation';
+
+// screen related book keeping
+import {registerScreens} from './screens';
+registerScreens();
+
+// this will start our app
+Navigation.startSingleScreenApp({
+  screen: {
+    screen: 'example.FirstTabScreen',
+    title: 'Login',
+    navigatorStyle: {
+      navBarBackgroundColor: '#4dbce9',
+      navBarTextColor: '#ffff00',
+      navBarSubtitleTextColor: '#ff0000',
+      navBarButtonColor: '#ffffff',
+      statusBarTextColorScheme: 'light'
+    }
+  },
+  drawer: {
+    left: {
+      screen: 'example.SideMenu'
+    }
+  }
+});