move async handler note

Author: joshuadavidthomas

README.md

@@ -141,6 +141,9 @@ async def welcome_new_issue(event, gh, *args, **kwargs):
 
 In this example, we automatically label issues based on their title and post a welcome comment on newly opened issues. The router ensures each webhook is directed to the appropriate handler based on the event type and action.
 
+> [!NOTE]
+> Handlers must be async functions as django-github-app uses gidgethub for webhook event routing which only supports async operations. Sync support is planned to better integrate with Django projects that don't use async.
+
 Each handler receives two arguments:
 
 - `event`: A `gidgethub.sansio.Event` containing the webhook payload
@@ -160,9 +163,6 @@ class YourAppConfig(AppConfig):
         from . import events  # noqa: F401
 ```
 
-> [!NOTE]
-> Handlers must be async functions as django-github-app uses gidgethub for webhook event routing which only supports async operations. Sync support is planned to better integrate with Django projects that don't use async.
-
 For more information about GitHub webhook events and payloads, see these pages in the GitHub docs:
 
 - [Webhook events and payloads](https://docs.github.com/en/webhooks/webhook-events-and-payloads)