add refresh button for wrapper

custom_components/reflex_ag_grid/wrapper.py

@@ -417,10 +417,19 @@ def _delete_button(cls) -> rx.Component:
             on_click=cls.delete_selected,
         )
 
+    @classmethod
+    def _refresh_button(cls) -> rx.Component:
+        """Create the refresh button."""
+        return rx.icon_button(
+            "refresh-cw",
+            on_click=cls._grid_component.api.refreshInfiniteCache,
+        )
+
     @classmethod
     def _top_toolbar(cls) -> rx.Component:
         """Create the top toolbar."""
         return rx.hstack(
+            cls._refresh_button(),
             cls._delete_button(),
             cls._add_dialog(),
             justify="end",