Update app.py

- Add Title and description

app.py

@@ -78,6 +78,8 @@ For information on how to customize the ChatInterface, peruse the gradio docs:
 https://www.gradio.app/docs/chatinterface
 """
 demo = gr.ChatInterface(
+    title="Chat Interface to test HF Models with a HF TOKEN",
+    description="<center> Enter your HF Token To Acces the Models"
     respond,
     additional_inputs=[
         token_input,