Updates the RN version to 0.59

ios/drip/AppDelegate.h

@@ -7,7 +7,7 @@
 
 #import <UIKit/UIKit.h>
 
-@interface AppDelegate : UIResponder <UIApplicationDelegate>
+@interface AppDelegate : UIResponder <UIApplicationDelegate, RCTBridgeDelegate>
 
 @property (nonatomic, strong) UIWindow *window;
 

ios/drip/AppDelegate.m

@@ -7,6 +7,7 @@
 
 #import "AppDelegate.h"
 
+#import <React/RCTBridge.h>
 #import <React/RCTBundleURLProvider.h>
 #import <React/RCTRootView.h>
 #import <React/RCTPushNotificationManager.h>
@@ -15,14 +16,11 @@
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 {
-  NSURL *jsCodeLocation;
+  RCTBridge *bridge = [[RCTBridge alloc] initWithDelegate:self launchOptions:launchOptions];
+  RCTRootView *rootView = [[RCTRootView alloc] initWithBridge:bridge
+                                                   moduleName:@"RnDiffApp"
+                                            initialProperties:nil];
 
-  jsCodeLocation = [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index" fallbackResource:nil];
-
-  RCTRootView *rootView = [[RCTRootView alloc] initWithBundleURL:jsCodeLocation
-                                                      moduleName:@"home"
-                                               initialProperties:nil
-                                                   launchOptions:launchOptions];
   rootView.backgroundColor = [[UIColor alloc] initWithRed:1.0f green:1.0f blue:1.0f alpha:1];
 
   self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
@@ -60,4 +58,13 @@ fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler
   [RCTPushNotificationManager didReceiveLocalNotification:notification];
 }
 
+- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge
+{
+#if DEBUG
+  return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index" fallbackResource:nil];
+#else
+  return [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
+#endif
+}
+
 @end