add Celery settings

Author: giancarloromeo

services/web/server/src/simcore_service_webserver/application_settings.py

@@ -18,6 +18,7 @@
 from pydantic.fields import Field
 from servicelib.logging_utils import LogLevelInt
 from settings_library.application import BaseApplicationSettings
+from settings_library.celery import CelerySettings
 from settings_library.email import SMTPSettings
 from settings_library.postgres import PostgresSettings
 from settings_library.prometheus import PrometheusSettings
@@ -196,6 +197,13 @@ class ApplicationSettings(BaseApplicationSettings, MixinLoggingSettings):
             description="catalog service client's plugin",
         ),
     ]
+    WEBSERVER_CELERY: Annotated[
+        CelerySettings | None,
+        Field(
+            json_schema_extra={"auto_default_from_env": True},
+            description="celery plugin",
+        ),
+    ]
     WEBSERVER_DB: Annotated[
         PostgresSettings | None,
         Field(