Appdelegate.swift

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        
        // Use Firebase library to configure APIs
        FirebaseApp.configure()
        
        //get remote config from firebase
        LoginConfigManager.shared.getData()
        
        return true
    }