added core to init

Author: rabah-khalek

giskard_vision/__init__.py

@@ -1,4 +1,4 @@
-from . import image_classification, landmark_detection, object_detection
+from . import core, image_classification, landmark_detection, object_detection
 from .core.scanner import scan
 
-__all__ = ["scan", "landmark_detection", "image_classification", "object_detection"]
+__all__ = ["scan", "core", "landmark_detection", "image_classification", "object_detection"]