Add Edge Port, GÉANT IP and IAS products

This includes workflows, tests, migrations, etc.

gso/workflows/nren_l3_core_service/create_imported_nren_l3_core_service.py

-"""A creation workflow for adding an existing GEANT IP to the service database."""
+"""A creation workflow for adding an existing NREN L3 Core Service to the service database."""
 
 from uuid import uuid4
 
@@ -88,11 +88,11 @@ def initialize_subscription(subscription: ImportedNRENL3CoreServiceInactive, ser
             sbp_bgp_session_list=sbp_bgp_session_list,
             **service_binding_port,
         )
-        subscription.geant_ip.geant_ip_ap_list.append(
+        subscription.nren_l3_core_service.nren_ap_list.append(
             NRENAccessPortInactive.new(
                 subscription_id=uuid4(),
-                nren_ap_type=service_binding_port["ap_type"],
-                geant_ip_sbp=service_binding_port_subscription,
+                ap_type=service_binding_port["ap_type"],
+                sbp=service_binding_port_subscription,
             )
         )