[Feature] SOCKS proxy support

[soredake]

Feature Request

Is your feature request related to a problem? Please describe.

Right now, if I understand everything correctly, only http proxies are supported, https://github.com/ScoopInstaller/Scoop/wiki/Using-Scoop-behind-a-proxy, would be nice to have support for SOCKS proxies

Describe the solution you'd like

Adding support for socks proxy.

Describe alternatives you've considered

Using http proxy.