added queue and launch to demo

app.py

@@ -121,5 +121,5 @@ with gr.Blocks(fill_height=True) as demo:
         textbox=chat_input,
     )
 
-if __name__ == "__main__":
-    demo.launch()
+demo.queue(api_open=False)
+demo.launch(show_api=False, share=False)