base of product-quota & list cities by province

apps/authentication/migrations/0021_city_province.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0 on 2025-06-10 08:39
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('authentication', '0020_blacklistedaccesstoken'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='city',
+            name='province',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='cities', to='authentication.province'),
+        ),
+    ]