Update app.py

added disclaimer

app.py

@@ -166,6 +166,7 @@ with gr.Blocks() as demo:
         **Disclaimers:**
         Once clicking on the "submit button, it can take quite some time ( this is the time for the agent to go through all the questions).
         This space provides a basic setup and is intentionally sub-optimal to encourage you to develop your own, more robust solution. For instance for the delay process of the submit button, a solution could be to cache the answers and submit in a seperate action or even to answer the questions in async.
+        Please note that this version requires an OpenAI Key to run.
         """
     )