Implement module resource (#1490)

* Implement resource.getrlimit

* Implement resource.setrlimit

* Implement resource.getpagesize

* Implement resource.getrusage

* Implement resources.prlimit

* Use RuntimeInformation.IsOSPlatform

* Additional tests

* Use light throwing

* Adapt to macOS

* Disable test on Windows

* Replace Mono.Unix calls and types

* Simplify tests

Author: BCSharp