Add identical registerRemoteNotifications api for iOS and Android

lib/src/Notifications.ts

@@ -35,6 +35,14 @@ export class NotificationsRoot {
     this.android = new NotificationsAndroid(this.commands);
   }
 
+  /**
+   * registerRemoteNotifications
+   */
+  public registerRemoteNotifications() {
+    this.ios.registerRemoteNotifications();
+    this.android.registerRemoteNotifications();
+  }
+
   /**
    * postLocalNotification
    */

lib/src/NotificationsAndroid.ts

@@ -17,7 +17,7 @@ export class NotificationsAndroid {
   /**
   * Refresh FCM token
   */
-  public refreshToken() {
-    return this.commands.refreshToken();
+  public registerRemoteNotifications() {
+    this.commands.refreshToken();
   }
 }

lib/src/NotificationsIOS.ts

@@ -18,7 +18,7 @@ export class NotificationsIOS {
   /**
   * Request permissions to send remote notifications
   */
-  public requestPermissions() {
+  public registerRemoteNotifications() {
     return this.commands.requestPermissions();
   }
 

lib/src/adapters/NativeCommandsSender.ts

@@ -48,7 +48,7 @@ export class NativeCommandsSender {
   }
 
   refreshToken() {
-    return this.nativeCommandsModule.refreshToken();
+    this.nativeCommandsModule.refreshToken();
   }
 
   registerPushKit() {

lib/src/commands/Commands.ts

@@ -78,6 +78,6 @@ export class Commands {
   }
 
   public refreshToken() {
-    return this.nativeCommandsSender.refreshToken();
+    this.nativeCommandsSender.refreshToken();
   }
 }