windows version need an option to hide tabby when click close button instead of close the application

[weasleychen]

I am used to clicking the close button to close the window instead of the shortcut key, but almost every time I don't want the whole program to end, because I want to call it out from the background with the shortcut key.

[weasleychen]

btw, in the Windows version, the font of tabby is not clear, and some icons are also