feat: Add Go, Bash, Linux, macOS badges (#379)

Author: reneleonhardt

README.md

@@ -3,6 +3,10 @@
 [![PR Checks Status](https://github.com/go-nv/goenv/actions/workflows/pr_checks.yml/badge.svg)](https://github.com/go-nv/goenv/actions/workflows/pr_checks.yml)
 [![Latest Release](https://img.shields.io/github/v/release/go-nv/goenv.svg)](https://github.com/go-nv/goenv/releases/latest)
 [![License](https://img.shields.io/badge/License-MIT-blue.svg)](https://github.com/go-nv/goenv/blob/main/LICENSE)
+[![Go](https://img.shields.io/badge/Go-%2300ADD8.svg?&logo=go&logoColor=white)](https://go.dev/)
+[![Bash](https://img.shields.io/badge/Bash-4EAA25?logo=gnubash&logoColor=fff)](https://github.com/go-nv/goenv)
+[![Linux](https://img.shields.io/badge/Linux-FCC624?logo=linux&logoColor=black)](https://github.com/go-nv/goenv)
+[![macOS](https://img.shields.io/badge/macOS-000000?logo=macos&logoColor=F0F0F0)](https://github.com/go-nv/goenv)
 
 goenv aims to be as simple as possible and follow the already established
 successful version management model of [pyenv](https://github.com/pyenv/pyenv) and [rbenv](https://github.com/rbenv/rbenv).