图斑生成kmz航线文件，入库并返回前端，优化图斑模块

rain

2024-04-09 de821f0a99e234ce8e336b1775e90169e875cdd5

 src/main/java/com/dji/sample/component/mqtt/model/TopicConst.java

@@ -34,4 +34,9 @@

    public static final String REGEX_SN = "[A-Za-z0-9]+";

    public static final String DRC = "/drc";

    public static final String UP = "/up";

    public static final String DOWN = "/down";
}