improved docs for example project

example/ios/example/AppDelegate.m

 
 // **********************************************
 // *** DON'T MISS: THE NEXT LINE IS IMPORTANT ***
+// **********************************************
 #import "RCCManager.h"
 
+// IMPORTANT: if you're getting an Xcode error that RCCManager.h isn't found, you've probably ran "npm install"
+// with npm ver 2. You'll need to "npm install" with npm 3 (see https://github.com/wix/react-native-navigation/issues/1)
+
 #import "RCTRootView.h"
 
 @implementation AppDelegate
 
 
   // **********************************************
-  // *** DON'T MISS: THIS IS HOW WE BOOTSTRAP ***
-  // React Native Controllers bootstrap
+  // *** DON'T MISS: THIS IS HOW WE BOOTSTRAP *****
+  // **********************************************
   self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
   self.window.backgroundColor = [UIColor whiteColor];
   [[RCCManager sharedIntance] initBridgeWithBundleURL:jsCodeLocation];