Add Certificate model and write crud for it

core/apps/evaluation/urls.py

@@ -29,6 +29,7 @@ from .views import (
     DidoxCompanyInfoAPIView,
     TechPassportAPIView,
     EvaluationStatusChange,
+    CertificateView,
 )
 
 router = DefaultRouter()
@@ -53,6 +54,7 @@ router.register("vehicle", VehicleView, basename="vehicle")
 router.register("valuation", ValuationView, basename="valuation")
 router.register("property-owner", PropertyOwnerView, basename="property-owner")
 router.register("customer", CustomerView, basename="customer")
+router.register("certificate", CertificateView, basename="certificate")
 urlpatterns = [
     path("", include(router.urls)),
     path("auto-evaluation/appraisers/", include(