prepare for ESPMegaPRO OOP

Template Project/lib/ESPMegaPRO/ExpansionCard.hpp

@@ -0,0 +1,11 @@
+#pragma once
+#include <ESPMegaPRO.h>
+
+class ExpansionCard {
+    public:
+        // Instantiate the card with the specified address
+        ExpansionCard() {}
+        virtual void begin() {}
+        // Preform a loop to refresh the input buffers
+        virtual void loop() {}
+};