add digital output pinmap support

Template Project/lib/ESPMegaPRO/DigitalInputCard.cpp

@@ -156,7 +156,7 @@ uint8_t DigitalInputCard::getInputBufferB()
     return inputBufferB_rearranged;
 }
 // Register a callback function to be called when a pin changes
-void DigitalInputCard::registerCallback(void (*callback)(uint8_t, bool))
+void DigitalInputCard::registerCallback(std::function<void(uint8_t, bool)> callback)
 {
     this->callback = callback;
 }