用户支持分组，wiki空间支持按分组授权，细节优化

zyplayer-doc-data/src/main/resources/mapper/manage/UserGroupRelationMapper.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.zyplayer.doc.data.repository.manage.mapper.UserGroupRelationMapper">
+
+</mapper>