Update app.py

app.py

@@ -1407,7 +1407,7 @@ def main(page: ft.Page):
                         ft.Container(content=ft.Column([
                             ft.Row(
                                 [
-                                    ft.Text("MiniZinc Dataset Editor",
+                                    ft.Text("Text2Zinc Editor",
                                             size=20,
                                             weight=ft.FontWeight.BOLD),
                                     save_indicator,