feat: reset migrations and created customer address model

shop/utils.py

@@ -1,6 +1,9 @@
 from decimal import Decimal
 
 from shop.models import Customer, Order, OrderLine, Product, ProductBatch
+from django.contrib.auth import get_user_model
+
+User = get_user_model()
 
 
 def create_order_line_for_product(product: Product, quantity: Decimal, order: Order):
@@ -22,7 +25,7 @@ def create_order_line_for_product(product: Product, quantity: Decimal, order: Or
 
 
 def create_order(
-    customer: Customer,
+    customer: User,
     billing_address: str,
     billing_city: str,
     billing_state: str,
@@ -47,7 +50,7 @@ def create_order(
     shipping_zip = shipping_zip if shipping_zip else billing_zip
 
     order = Order.objects.create(
-        customer=customer,
+        user=customer,
         billing_address=billing_address,
         billing_city=billing_city,
         billing_state=billing_state,