chore(deprecated code): change "add" to "addCommand"

Author: Fahl-Design

bin/docker-api

@@ -18,8 +18,8 @@ require_once dirname(__DIR__) . '/vendor/autoload_runtime.php';
 
 return static function (array $context) {
     $application = new Application('Docker API', '@package_version@');
-    $application->add(new ListContainersCommand());
-    $application->add(new EventsListenCommand());
+    $application->addCommand(new ListContainersCommand());
+    $application->addCommand(new EventsListenCommand());
     $application->setDefaultCommand('docker:list-containers');
 
     return $application;