Make it possible to create a Relay model via Django Admin

Author: carlosmartinez

manage_breast_screening/gateway/admin.py

@@ -0,0 +1,11 @@
+from django.contrib import admin
+
+from manage_breast_screening.core.admin import admin_site
+
+from .models import Relay
+
+
+@admin.register(Relay, site=admin_site)
+class RelayAdmin(admin.ModelAdmin):
+    list_display = ["setting", "namespace", "hybrid_connection_name"]
+    list_select_related = ["setting"]