Attributes model added.

core/apps/api/signals/__init__.py

@@ -0,0 +1 @@
+from .attributes import *  # noqa

core/apps/api/signals/attributes.py

@@ -0,0 +1,16 @@
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+
+from core.apps.api.models import ColorModel, ProductlikeModel, SizeModel
+
+
+@receiver(post_save, sender=SizeModel)
+def SizeSignal(sender, instance, created, **kwargs): ...
+
+
+@receiver(post_save, sender=ColorModel)
+def ColorSignal(sender, instance, created, **kwargs): ...
+
+
+@receiver(post_save, sender=ProductlikeModel)
+def ProductlikeSignal(sender, instance, created, **kwargs): ...