ui/curses: let user scroll game view windows

pqcli/ui/curses/views/game_view/plot_window.py

@@ -34,6 +34,14 @@ class PlotWindow(Focusable, ListBoxProgressBarWindow):
             "change", self._sync_position
         )
 
+    def scroll_page_up(self) -> None:
+        self._list_box.scroll_page_up()
+        self._render()
+
+    def scroll_page_down(self) -> None:
+        self._list_box.scroll_page_down()
+        self._render()
+
     def _sync(self) -> None:
         self._sync_acts()
         self._sync_position()