Add funner default query

app.py

@@ -87,7 +87,7 @@ def rag_pipeline(query):
 
 # Gradio UI
 iface = gr.Interface(fn=rag_pipeline,
-                     inputs=gr.Textbox(lines=2, placeholder="Ask something..."),
+                     inputs=gr.Textbox(lines=2, placeholder="How fast is a penguin?"),
                      outputs="text",
                      title="Mini RAG Wikipedia Demo",
                      description="Retrieval-Augmented Generation on a small Wikipedia subset.")