Implemented MQTT over TLS for WiFiDevice

networkDevices/WifiDevice.h

@@ -1,13 +1,15 @@
 #pragma once
 
 #include <WiFiClient.h>
+#include <WiFiClientSecure.h>
+#include <Preferences.h>
 #include "NetworkDevice.h"
 #include "../SpiffsCookie.h"
 
 class WifiDevice : public NetworkDevice
 {
 public:
-    WifiDevice(const String& hostname);
+    WifiDevice(const String& hostname, Preferences* _preferences);
 
     virtual void initialize();
     virtual void reconfigure();
@@ -20,7 +22,8 @@ public:
     virtual PubSubClient *mqttClient();
 
 private:
-    WiFiClient _wifiClient;
-    PubSubClient _mqttClient;
+    WiFiClient* _wifiClient = nullptr;
+    WiFiClientSecure* _wifiClientSecure = nullptr;
+    PubSubClient* _mqttClient = nullptr;
     SpiffsCookie _cookie;
 };