add dialog for events_list

app/bot/dialogs/flows/events/getters.py

@@ -0,0 +1,6 @@
+from aiogram.types import User
+from aiogram_dialog import DialogManager
+
+
+async def events_getter(dialog_manager: DialogManager, event_from_user: User, **kwargs) -> dict[str, str]:
+    return {"events": ["ev1", "ev2", "ev3"]}