want to add a tree control to manage client-side

[chendx-github]

Is your enhancement related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

现在我的客户端非常多大概有100+，每次查找的时候很难找到
虽然标签和搜索可以解决筛选的问题，但是很多时候 记不住这些名字和标签
需要折叠之后才能快速的找到

Describe the solution you'd like
A clear and concise description of what you want to happen.

我想要增加一个类似mRemoteNG 这个软件的属性文件夹结构

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the enhancement here.

[VShawn]

展示不会改为树状菜单，转为讨论，以备后用