added notification to asses problem with apple devices

app/routes.py

@@ -155,6 +155,9 @@ def rules():
 
 @bp.errorhandler(429)
 def ratelimit_handler(e):
+    msg = Message('429 Ratelimit hit', recipients=["simon.bussmann@tum.de"])
+    msg.body = f"IP {request.remote_addr} triggered the rate limit"
+    mail.send(msg)
     return render_template("ratelimit_error.html", error_message=e.description)
 
 @bp.errorhandler(500)