add debug log and docstring to handle_notification

nomen/notifications.py

@@ -11,6 +11,12 @@ log.setLevel(logging.INFO)
 
 
 async def handle_notification(db_updates, ctx, message, keyword, user_id):
+    """
+    Async task to dispatch a notification
+    """
+
+    log.debug(f"- Handling `{keyword}` for {user_id}")
+
     member = await ctx.guild.getch_member(user_id)
 
     if not await can_view(ctx, member):