code: def dataset_initialize(self, folder):
          
          if not os.path.isdir(folder):
              raise ValueError('Invalid folder: ' + folder)
  
          ref = self.config_values[self.CONFIG_NAME_USER] + '/INSERT_SLUG_HERE'
          licenses = []
          default_license = {'name': 'CC0-1.0'}
          licenses.append(default_license)
  
          meta_data = {
              'title': 'INSERT_TITLE_HERE',
              'id': ref,
              'licenses': licenses
          }
          meta_file = os.path.join(folder, self.DATASET_METADATA_FILE)
          with open(meta_file, 'w') as f:
              json.dump(meta_data, f, indent=2)
  
          print('Data package template written to: ' + meta_file)
          return meta_file
docs: initialize a folder with a a dataset configuration (metadata) file
  
              Parameters
              ==========
              folder: the folder to initialize the metadata file in