Register django groups in the admin

django_backend/backend/admin.py

 from django.contrib import admin
 from django.contrib.auth.admin import UserAdmin
+from django.contrib.auth.models import Group
 
 from . import models
 from .auth.v1.models import OIDCConfig
@@ -25,6 +26,8 @@ admin.site.register(OIDCConfig)
 admin.site.register(models.RabbitMQInstance)
 
 admin.site.register(models.User, ClientAdmin)
+admin.site.unregister(Group)
+admin.site.register(Group)
 admin.site.register(models.Site)
 admin.site.register(models.Service)
 admin.site.register(models.SSHPublicKey)