refactor NetworkDevice interface to work with new esp mqtt lib

networkDevices/ClientSyncEthernet.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#if defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32)
+
+#include "Transport/Transport.h"
+#include "EthernetClient.h"
+
+namespace espMqttClientInternals {
+
+    class ClientSyncEthernet : public Transport {
+    public:
+        ClientSyncEthernet();
+        bool connect(IPAddress ip, uint16_t port) override;
+        bool connect(const char* host, uint16_t port) override;
+        size_t write(const uint8_t* buf, size_t size) override;
+        int available() override;
+        int read(uint8_t* buf, size_t size) override;
+        void stop() override;
+        bool connected() override;
+        bool disconnected() override;
+        EthernetClient client;
+    };
+
+}  // namespace espMqttClientInternals
+
+#endif