tried to support aliot again(untested)

lib/aliyun_iot_sdk/src/aliyun_iot_sdk.cpp

@@ -1,6 +1,6 @@
 /**
  *
- *  Filename:      AliyunIoTSDK.cpp
+ *  Filename:      aliyun_iot_sdk.cpp
  *
  *  Description:   basic SDK for ESP32
  *
@@ -10,10 +10,11 @@
  *
  **/
 
-#include "AliyunIoTSDK.h"
 #include <PubSubClient.h>
 #include <SHA256.h>
 
+#include "aliyun_iot_sdk.h"
+
 #define CHECK_INTERVAL 30000
 #define MESSAGE_BUFFER_SIZE 10
 #define MQTT_CONNECT_RETRY_MAX 3
@@ -148,12 +149,12 @@ int AliyunIoTSDK::mqttCheckConnect() {
     return mqttStatus;
 }
 
-int AliyunIoTSDK::begin(Client &espClient,
+int AliyunIoTSDK::begin(PubSubClient &mqttClient,
                          const char *_productKey,
                          const char *_deviceName,
                          const char *_deviceSecret,
                          const char *_region) {
-    client = new PubSubClient(espClient);
+    client = new PubSubClient(mqttClient);
     productKey = _productKey;
     deviceName = _deviceName;
     deviceSecret = _deviceSecret;

lib/aliyun_iot_sdk/src/aliyun_iot_sdk.h

@@ -1,6 +1,6 @@
 /**
  *
- *  Filename:      AliyunIoTSDK.h
+ *  Filename:      aliyun_iot_sdk.h
  *
  *  Description:   header file of basic SDK for ESP32
  *
@@ -58,13 +58,13 @@ public:
 
   /**
    * Initialize and connect to AliyunIoT
-   * @param espClient : WiFi client
+   * @param mqttClient : PubSubClient
    * @param _productKey : AliyunIoT product key
    * @param _deviceName : AliyunIoT device name
    * @param _deviceSecret : AliyunIoT device secret
    * @param _region : AliyunIoT region
    */
-  static int begin(Client &espClient,
+  static int begin(PubSubClient &mqttClient,
                    const char *_productKey,
                    const char *_deviceName,
                    const char *_deviceSecret,