feat: added n-to-1 relation between sales_order_item and printing_job model

api_v2/urls.py

@@ -1,8 +1,9 @@
 from django.urls import path
 
-from api_v2.views import QuickCreateEmployeeUserView
+from api_v2.views import QuickCreateEmployeeUserView, PrintingJobByCustomerView
 
 urlpatterns = [
     path('users/quick-create/', QuickCreateEmployeeUserView.as_view(), name='api_v2_user_quick_create'),
+    path('printing-jobs/by-customer/', PrintingJobByCustomerView.as_view(), name='api_v2_printing_job_by_customer'),
 ]