Adding comments to CodePush class

CodePush.h

@@ -1,7 +1,18 @@
 #import "RCTBridgeModule.h"
 
-@interface CodePush : NSObject<RCTBridgeModule>
+@interface CodePush : NSObject <RCTBridgeModule>
 
+/*
+ * This method is used to retreive the URL for the most recent
+ * version of the JavaScript bundle. This could be either the
+ * bundle that was packaged with the app binary, or the bundle
+ * that was downloaded as part of a CodePush update. The value returned
+ * should be used to "bootstrap" the React Native bridge.
+ *
+ * This method assumes that your JS bundle is named "main.jsbundle"
+ * and therefore, if it isn't, you should use either the bundleURLForResource:
+ * or bundleURLForResource:withExtension: methods to override thsat behavior.
+*/
 + (NSURL *)bundleURL;
 
 + (NSURL *)bundleURLForResource:(NSString *)resourceName;
@@ -25,7 +36,7 @@
 
 @end
 
-@interface CodePushDownloadHandler : NSObject<NSURLConnectionDelegate>
+@interface CodePushDownloadHandler : NSObject <NSURLConnectionDelegate>
 
 @property (strong) NSOutputStream *outputFileStream;
 @property long expectedContentLength;