switch ok to gpio0 and back to gpio8, because

src/bin/main.rs

@@ -99,8 +99,8 @@ async fn main(spawner: Spawner) {
         down: Input::new(peripherals.GPIO39, button_config),
         left: Input::new(peripherals.GPIO40, button_config),
         right: Input::new(peripherals.GPIO41, button_config),
-        back: Input::new(peripherals.GPIO42, button_config),
-        ok: Input::new(peripherals.GPIO45, button_config),
+        back: Input::new(peripherals.GPIO8, button_config),
+        ok: Input::new(peripherals.GPIO0, button_config),
     };
 
     log::info!("Setup complete, entering main loop");