working mqtt implementation

Template Project/lib/ESPMegaPRO/ExpansionCard.hpp

@@ -5,9 +5,9 @@ class ExpansionCard {
     public:
         // Instantiate the card with the specified address
         ExpansionCard() {}
-        virtual bool begin() {}
+        virtual bool begin();
         // Preform a loop to refresh the input buffers
-        virtual void loop() {}
+        virtual void loop();
         // Get the card type
-        virtual uint8_t getType() {return 255;}
+        virtual uint8_t getType();
 };