feat : adding with_options (for block_size)

Author: JUDITH-sketch

src/urban_mapper/modules/loader/loader_factory.py

@@ -82,6 +82,7 @@ def __init__(self):
         self.crs: str = DEFAULT_CRS
         self._instance: Optional[LoaderBase] = None
         self._preview: Optional[dict] = None
+        self.options = {}
 
     @reset_attributes_before(
         ["source_type", "source_data", "latitude_column", "longitude_column"]