Update app.py

Updated to Xray

app.py

@@ -19,7 +19,7 @@ def main():
                              ["Which user_id has the highest order_amount?", "shopify.csv"],
                              ["Which payment method was used the most?", "shopify.csv"]
                          ],
-                         title="Table Question Answering (TAPEX)",
+                         title="Xray Question Answering (TAPEX) with your own transactions",
                          description=description,
                          article=article,
                          allow_flagging='never')