feat(menu): add menu class

include/menu.hpp

@@ -0,0 +1,22 @@
+#pragma once
+#define MENU_ITEM_COUNT 4
+#include <Arduino.h>
+#include "joystick.hpp"
+
+typedef struct {
+  String name;
+  void (*action)();
+} Item;
+
+class Menu {
+  public:
+    Menu(Item* items);
+    void updateCurrentItem(JoystickDirection& direction);
+    void execute();
+
+    Item& getItemAt(size_t index);
+    size_t getCurrentItemIndex() const;
+  private:
+    Item items[MENU_ITEM_COUNT];
+    int currentItem;
+};