add: add product and category models

core/apps/shared/models/__init__.py

@@ -0,0 +1,2 @@
+from .base import *
+from .banner import *

core/apps/shared/models/banner.py

@@ -0,0 +1,11 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+
+
+class Banner(BaseModel):
+    banner = models.ImageField(upload_to='shared/banners/')
+
+    class Meta:
+        verbose_name = 'banner'
+        verbose_name_plural = 'bannerlar'

core/apps/shared/models/base.py

@@ -6,7 +6,7 @@ from django.db import models
 
 class BaseModel(models.Model):
     id = models.UUIDField(primary_key=True, editable=False, unique=True, default=uuid.uuid4)
-    created_at = models.DateTimeField(auto_created=True)
+    created_at = models.DateTimeField(auto_now_add=True)
 
     class Meta:
         abstract = True