[Feature Request] take input from stdin

[ItsIgnacioPortal]

Being able to set the cookie from stdin would make automation much easier

[ItsIgnacioPortal]

https://stackoverflow.com/questions/22744443/check-if-there-is-something-to-read-on-stdin-in-golang/26567513#26567513

should be easy enough

[random-robbie]

+1 this please ian