Add SimonBaeumer/cmd go package

README.md

@@ -1727,6 +1727,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [circuit](https://github.com/cep21/circuit) - An efficient and feature complete Hystrix like Go implementation of the circuit breaker pattern.
 * [circuitbreaker](https://github.com/rubyist/circuitbreaker) - Circuit Breakers in Go.
 * [clockwork](https://github.com/jonboulle/clockwork) - A simple fake clock for golang.
+* [cmd](https://github.com/SimonBaeumer/cmd) - Library for executing shell commands on osx, windows and linux.
 * [command](https://github.com/txgruppi/command) - Command pattern for Go with thread safe serial and parallel dispatcher.
 * [copy-pasta](https://github.com/jutkko/copy-pasta) - Universal multi-workstation clipboard that uses S3 like backend for the storage.
 * [ctop](https://github.com/bcicen/ctop) - [Top-like](http://ctop.sh) interface (e.g. htop) for container metrics.