/**
  * Register any other events for your application.
  *
  * @param  \Illuminate\Contracts\Events\Dispatcher  $events
  * @return void
  */
 public function boot(DispatcherContract $events)
 {
     parent::boot($events);
     Project::observe(new SlugGeneratorObserver());
     Category::observe(new SlugGeneratorObserver());
     Tag::observe(new SlugGeneratorObserver());
 }