execute method

Implementation

@override
Future<void> execute() async {
  LogService.info('Model generate start …');
  final config = ModelGenConfig(dirArgument, jsonPathArgument);
  await config.getDirArgument();
  final generator =
      SwaggerParser(swaggerUrl: config.jsonPath, outputDir: config.dir);
  await generator.generate();
  LogService.success('Model generate done …');
}