def create_settings
  Setting.create(:spreadsheet_id => '1kPwI0T6PnmVT9TF7QqDa1TWsKlnNRG2sXGBsnhWv7AI',
                 :group_tab => 'Groups!A1:Y1000',
                 :group_username_col => '1',
                 :group_id_col => '2',