Include empty register method for provider

Fixes #5

Author: FoxxMD

src/ElasticBeanstalkQueueWorkerProvider.php

@@ -8,6 +8,16 @@
 
 class ElasticBeanstalkQueueWorkerProvider extends ServiceProvider  {
 
+	/**
+	 * Register the service provider.
+	 *
+	 * @return void
+	 */
+	public function register()
+	{
+		//nothing to do here!
+	}
+
 	public function boot()
 	{
 		$this->publishes([