added title, description

app.py

@@ -178,7 +178,9 @@ def main():
             gr.Slider(0, 1000, value=40)  # top_k
         ],
         outputs=gr.Textbox(lines=7),
-        examples=examples
+        examples=examples,
+        title="GPT-JT Demo (Gradio port)",
+        description='''This is a port of the Streamlit [GPT-JT demo](https://huggingface.co/spaces/togethercomputer/GPT-JT) by [Together](https://huggingface.co/togethercomputer) to Gradio'''
     )
 
     iface.launch(debug=True)