Consider changing user-configuration folder on Mac

[vdshb]

I think ~/Library/Preferences is not the best option for config on mac. I think it's better to put it in ~/Library/Application Support/config

See discussions and decisions of alternative libraries:

https://github.com/platformdirs/platformdirs/issues/98 https://github.com/dirs-dev/directories-rs/issues/62 https://pkg.go.dev/os#UserConfigDir