Update app.py

Dropped a whole new update to the SearchGPT space. Now able to handle a conversational chat model while doing web search. Use of DuckduckGo Chat for enabling a plethora of models including GPT Mini and Claude. Hope you enjoy the same.

app.py

@@ -741,4 +741,4 @@ with demo:
     )
 
 if __name__ == "__main__":
-    demo.launch(share=True)
+    demo.launch(share=True)