server api支持获取频道信息，销毁频道信息，销毁机器人功能

broker/src/main/java/io/moquette/imhandler/DestroyUserHandler.java

@@ -29,6 +29,8 @@ public class DestroyUserHandler extends IMHandler<WFCMessage.IDBuf> {
                 m_messagesStore.clearUserGroups(fromUser);
                 m_messagesStore.clearUserChannels(fromUser);
                 m_messagesStore.destoryUser(fromUser);
+
+                m_messagesStore.destroyRobot(fromUser);
             });
             return ErrorCode.ERROR_CODE_SUCCESS;
         } else {

broker/src/main/java/io/moquette/imhandler/DistroyChannelHandler.java

@@ -17,8 +17,8 @@ import win.liyufan.im.IMTopic;
 import static win.liyufan.im.IMTopic.PutUserSettingTopic;
 import static win.liyufan.im.UserSettingScope.kUserSettingMyChannels;
 
-@Handler(value = IMTopic.DestoryChannelInfoTopic)
-public class DistoryChannelHandler extends GroupHandler<WFCMessage.IDBuf> {
+@Handler(value = IMTopic.DestroyChannelInfoTopic)
+public class DistroyChannelHandler extends GroupHandler<WFCMessage.IDBuf> {
     @Override
     public ErrorCode action(ByteBuf ackPayload, String clientID, String fromUser, boolean isAdmin, WFCMessage.IDBuf request, Qos1PublishHandler.IMCallback callback) {
         ErrorCode errorCode = m_messagesStore.distoryChannel(fromUser, request.getId());