gitlink-cli/doc/changes/member-shortcut.md

Member Shortcut

新增 member Shortcut 组，支持仓库成员管理和项目邀请链接操作：

• member +list
• member +add
• member +batch-add
• member +remove
• member +role
• member +invite-link
• member +invite-info
• member +accept-invite

同时补充了单元测试、README 示例和 gitlink-member Skill 说明。