Update app.py

app.py

@@ -121,5 +121,14 @@ chat_interface = gr.ChatInterface(
     ],
 )
 
+with gr.Blocks(css="style.css") as demo:
+    gr.Markdown(DESCRIPTION)
+    gr.DuplicateButton(
+        value="Duplicate Space for private use",
+        elem_id="duplicate-button",
+        visible=os.getenv("SHOW_DUPLICATE_BUTTON") == "1",
+    )
+    chat_interface.render()
+    
 if __name__ == "__main__":
     demo.queue(max_size=20).launch()