feat(settings): Update task backend to use django-tasks-db and add QUEUES configuration

rad/settings.py

@@ -87,6 +87,7 @@ INSTALLED_APPS = [
     'django_svelte_jsoneditor',
     'django_psutil_dash',
     'django_tasks',
+    'django_tasks_db',
 ]
 
 MIDDLEWARE = [
@@ -387,8 +388,9 @@ TASKS = {
     "default": {
         "BACKEND": os.environ.get(
             "DJANGO_TASK_BACKEND",
-            "django_tasks.backends.immediate.ImmediateBackend",
+            "django_tasks_db.DatabaseBackend",
         ),
+        "QUEUES": ["default"],
     }
 }