Added go-resty library reference under Utilities.

README.md

@@ -909,6 +909,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [pm](https://github.com/VividCortex/pm) - Process (i.e. goroutine) manager with an HTTP API
 * [profile](https://github.com/davecheney/profile) - Simple profiling support package for Go
 * [request](https://github.com/mozillazg/request) - Go HTTP Requests for Humans™.
+* [resty](https://github.com/go-resty/resty) - Simple HTTP and REST client for Go inspired by Ruby rest-client
 * [rerun](https://github.com/ivpusic/rerun) - Recompiling and rerunning go apps when source changes
 * [robustly](https://github.com/VividCortex/robustly) - Runs functions resiliently, catching and restarting panics
 * [scheduler](https://github.com/carlescere/scheduler) - Cronjobs scheduling made easy.