Add other operating systems support

[valignatev]

Currently, SOCD cleaner is Windows only because it heavily relies on win32 api. But since it's a relatively small program, making it crossplatform wouldn't be a hard task. But it's about the lowest priority for me for now unless there is a high desire for it or somebody else implements other OS support.

[valignatev]

Linux is implemented in rewrite branch. Macos isn't planned for now, I don't have mac to take a stab at it anyway, so closing