fix: 产品表-产品密钥字段

iot-common/iot-common-dao/iot-data-serviceImpl-rdb/src/main/java/cc/iotkit/data/model/TbProduct.java

@@ -37,6 +37,9 @@ public class TbProduct {
     @ApiModelProperty(value = "产品key")
     private String productKey;
 
+    @ApiModelProperty(value = "产品密钥")
+    private String productSecret;
+
     @ApiModelProperty(value = "产品名称")
     private String name;