Update app.py

app.py

@@ -96,6 +96,7 @@ with gr.Blocks(css=css) as demo:
         """
     )
     with gr.Sidebar():
+        gr.LoginButton()
         model = gr.Dropdown(
             choices=["meta-llama/Llama-3.2-3B-Instruct"],
             allow_custom_value=True,