Add CMD+Scroll to zoom in and out.

[gascarrier]

这个问题是否源自某个缺陷？如果是，可于此处描述一下 | Is your feature request related to a problem? Please describe.

It's a feature request.

说说你的新点子 | Describe the solution you'd like

I think some other tools like Mac Mouse Fix has the feature, but it doesn't looks for free.

还有别的替代方案吗？ | Describe alternatives you've considered

Mac Mouse Fix

额外说明 | Additional context

None

Thank you all in advance. ~ ;)