新增 netty整合mqtt协议，与车位相机通讯并保存通讯信息

jsowell-netty/src/main/java/com/jsowell/netty/domain/MqttConnectPayload.java

@@ -0,0 +1,24 @@
+package com.jsowell.netty.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * TODO
+ *
+ * @author Lemon
+ * @Date 2023/12/19 9:39:48
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class MqttConnectPayload {
+    private String clientIdentifier;
+    private String willTopic;
+    private String willMessage;
+    private String userName;
+    private String password;
+}