Fix add_geoparquet_layer docstring bug (#867)

Author: giswqs

python/jupytergis_lab/jupytergis_lab/notebook/gis_document.py

@@ -559,6 +559,7 @@ def add_geoparquet_layer(
     ):
         """
         Add a GeoParquet Layer to the document
+
         :param path: The path to the GeoParquet file to embed into the jGIS file.
         :param name: The name that will be used for the object in the document.
         :param type: The type of the vector layer to create.