MQTT全局服务订阅，基本功能创建，标签打印等功能基本实现

ZR.Admin.WebApi/appsettings.json

@@ -1,3 +1,20 @@
 {
   //DOANtech123
+  "MqttConfig": {
+    "ClientId": "shgg-mes-server",
+    "Server": "192.168.23.165",
+    "Port": 1883,
+    "Username": "admin",
+    "Password": "123456",
+    "Topics": [
+      {
+        "Topic": "devices/#",
+        "QualityOfServiceLevel": "AtLeastOnce"
+      },
+      {
+        "Topic": "system/alert",
+        "QualityOfServiceLevel": "AtLeastOnce"
+      }
+    ]
+  }
 }