新增http、mqtt运行库，实现mqtt功能, 新增spdlog

src/app/Application.h

@@ -2,10 +2,11 @@
 
 #include <thread>
 
-#include "common/Logger.h"
 #include "Operator.h"
 #include "app/AppData.h"
 
+class MqttClient;
+
 class Application
 {
 public:
@@ -17,24 +18,25 @@ public:
 
     static AppData& data()
     {
-        return Application::instance().appdata_;
+        return Application::instance().appdata;
     }
 
     void init();
 
-    bool isQuit() { return isQuit_; }
-    Operator& getOperator() { return op_; }
+    Operator& getOperator() { return op; }
 
     void runThreadMain();
 
     void runThreadDevice();
 
 public:
-    bool isQuit_ = false;
+    bool isQuit = false;
 
     // 登录的管理员信息
-    Operator op_;
+    Operator op;
 
     // 应用数据
-    AppData appdata_;
+    AppData appdata;
+
+    std::shared_ptr<MqttClient> mqttCli;
 };