added url

app.py

@@ -14,6 +14,7 @@ print("is none?", HF_TOKEN is None)
 FERNET_KEY = os.environ.get("FERNET_KEY")
 print("FERNET_KEY is none?", FERNET_KEY is None)
 
+# https://stackoverflow.com/questions/61607367/how-to-encrypt-json-in-python
 
 def encrypt_message(key: str, msg: Union[str, bytes]) -> str:
     encoded_key = key if isinstance(key, bytes) else key.encode()