Dynamic config support

Author: Davi Nunes

src/Davibennun/LaravelPushNotification/LaravelPushNotificationServiceProvider.php

@@ -19,8 +19,9 @@ class LaravelPushNotificationServiceProvider extends ServiceProvider {
      */
     public function boot()
     {
+        $config_path = function_exists('config_path') ? config_path('push-notification.php') : 'push-notification.php';
         $this->publishes([
-             __DIR__.'/../../config/config.php' => config_path('push-notification.php')
+             __DIR__.'/../../config/config.php' => $config_path
          ], 'config');
     }
 

src/Davibennun/LaravelPushNotification/PushNotification.php

@@ -4,7 +4,8 @@ class PushNotification {
 
     public function app($appName)
     {
-        return new App(config('push-notification.'.$appName));
+        $config = is_array($appName) ? $appName : config('push-notification.'.$appName);
+        return new App($config);
     }
 
     public function Message()