change config path

Author: sayaamirul

src/Kawankoding/Fcm/Providers/FcmServiceProvider.php

@@ -14,7 +14,7 @@ class FcmServiceProvider extends ServiceProvider
     public function boot()
     {
         $this->publishes([
-            __DIR__.'/../resources/config/laravel-fcm.php' => config_path('laravel-fcm.php'),
+            __DIR__.'/../../../../resources/config/laravel-fcm.php' => config_path('laravel-fcm.php'),
         ]);
     }