Fix bundle root location in demo app when loading from packager

Author: Richard Hua

Examples/CodePushDemoApp/iOS/CodePushDemoApp/AppDelegate.m

@@ -10,7 +10,7 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
   NSURL *jsCodeLocation;
 
   // Use React Native's RCTBundleURLProvider to resolve your JS bundle location, so that your app will load the JS bundle from the packager server during development.
-  //jsCodeLocation = [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index" fallbackResource:nil];
+  //jsCodeLocation = [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index.ios" fallbackResource:nil];
 
   // Use CodePush to resolve your JS bundle location, so that your app will run the version of the code distributed via CodePush
   jsCodeLocation = [CodePush bundleURL];