cleanup main.cpp, split platform code into a Platform object

src/Config.cpp

@@ -1,15 +1,14 @@
 #include "./Config.h"
 #include "./Static.h"
 #include <ArduinoLog.h>
+#include <EEPROM.h>
 
 constexpr uint16_t HardwareConfig::MAX_LED_NUM;
 
 HardwareConfig
 HardwareConfig::load() {
     HardwareConfig ret;
-#ifdef PLATFORM_PHOTON
     EEPROM.get(0, ret);
-#endif
     return ret;
 }
 
@@ -17,9 +16,7 @@ void
 HardwareConfig::save() {
     HardwareConfig dataCopy{*this};
     dataCopy.checksum = getCRC();
-#ifdef PLATFORM_PHOTON
     EEPROM.put(0, dataCopy);
-#endif
 }
 
 LinearCoordinateMapping
@@ -103,6 +100,8 @@ ConfigService::handleEvent(const InputEvent &evt)
             //Log.info("Saving configuration");
             m_config.save();
             break;
+        default:
+            break;
     }
 }