add: add new field to order model

core/apps/orders/migrations/0003_order_order_number.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2 on 2025-08-27 14:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orders', '0002_order_location_en_order_location_ru_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='order',
+            name='order_number',
+            field=models.PositiveBigIntegerField(default=1),
+        ),
+    ]