improved spacing in the main docstring

kedro-datasets/kedro_datasets_experimental/databricks/external_table_dataset.py

@@ -57,18 +57,21 @@ def _validate_write_mode(self) -> None:
 class ExternalTableDataset(BaseTableDataset):
     """``ExternalTableDataset`` loads and saves data into external tables in Databricks.
     Load and save can be in Spark or Pandas dataframes, specified in dataframe_type.
+
     Example usage for the
     `YAML API <https://docs.kedro.org/en/stable/data/data_catalog_yaml_examples.html>`_:
     .. code-block:: yaml
         names_and_ages@spark:
           type: databricks.ExternalTableDataset
           format: parquet
           table: names_and_ages
+
         names_and_ages@pandas:
           type: databricks.ExternalTableDataset
           format: parquet
           table: names_and_ages
           dataframe_type: pandas
+
     Example usage for the
     `Python API <https://docs.kedro.org/en/stable/data/\
     advanced_data_catalog_usage.html>`_: