added username to the layout

app.py

@@ -28,6 +28,7 @@ with gr.Blocks(theme='gstaff/xkcd') as demo:
     game_state = gr.State(Game())
     game_state.value.reset()
     title = gr.Markdown("# Guessing Game")
+    description = gr.HTML("""This Gradio Demo was build by <a href="https://huggingface.co/gstaff" target="_blank">Grant Stafford @gstaff</a>.""")
     chatbot = gr.Chatbot(value=[(None, game_state.value.prompt)])
     msg = gr.Textbox()
     restart = gr.Button("Restart")