using SPIFFS for cert, eeprom for the rest

SourceCode/arduino/lib/Firewall/esp32Storage.hpp

@@ -2,6 +2,7 @@
 #define ESP32_STORAGE_HPP
 
 #include "Preferences.h"
+#include "SPIFFS.h"
 #include "FirewallTypes.h"
 #include "mbedtls/md.h"
 #include "SSLCert.hpp"
@@ -12,6 +13,7 @@ namespace firewall
     {
     private:
         Preferences memory;
+        void mount_spiffs();
 
     protected:
         uint8_t retrieve_settings_value(const char *);