refactor: webhook events (#1661)

* refactored EventBusService to work outside FastAPI

* extended event models

* refactored webhooks to run through event bus

* added basic webhook test route

* changed get_all to page_all

* fixed incorrectly implemented Vue variables

* fixed broken webhook test

* changed factory from staticmethod to classmethod

* made query boundary definitions easier to read

mealie/schema/group/group_events.py

@@ -13,6 +13,9 @@ class GroupEventNotifierOptions(MealieModel):
     If you modify this, make sure to update the EventBusService as well.
     """
 
+    test_message: bool = False
+    webhook_task: bool = False
+
     recipe_created: bool = False
     recipe_updated: bool = False
     recipe_deleted: bool = False