moved the annotation helper classes to helpers/Swagger

Author: eceltov

app/commands/GenerateSwagger.php

@@ -28,7 +28,6 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $path = __DIR__ . '/../V1Module/presenters/_autogenerated_annotations_temp.php';
         $openapi = \OpenApi\Generator::scan([$path]);
 
-        header('Content-Type: application/x-yaml');
         $output->writeln($openapi->toYaml());
 
         # delete the temp file