Added a menu to check info

include/menu.h

@@ -0,0 +1,28 @@
+#ifndef MENU_H
+#define MENU_H
+
+#include <Arduino.h>
+#include <U8g2lib.h>
+
+enum class MenuAction
+{
+  ShowHelloWorld,
+  BackToCarousel
+};
+
+class Menu
+{
+public:
+  Menu();
+  void draw(U8G2 &u8g2);
+  void nextOption();
+  MenuAction select();
+  bool consumeDirty();
+  void requestRedraw();
+
+private:
+  size_t selectedIndex_;
+  bool dirty_;
+};
+
+#endif

include/screens.h

@@ -6,6 +6,7 @@
 #include "am2302_sensor.h"
 
 void drawScreen1(U8G2 &u8g2);
+void drawHelloWorldScreen(U8G2 &u8g2);
 void setEnvironmentReading(Am2302Reading reading);
 void drawEnvironmentScreen(U8G2 &u8g2);
 void drawWeatherIconScreen(U8G2 &u8g2);