docs: adds ci checks badge (#135)

README.md

@@ -1,5 +1,5 @@
 
-# Ergo [![GoDoc](https://godoc.org/github.com/cristianoliveira/ergo?status.svg)](https://godoc.org/github.com/cristianoliveira/ergo) [![Go Report Card](https://goreportcard.com/badge/github.com/cristianoliveira/ergo)](https://goreportcard.com/report/github.com/cristianoliveira/ergo) [![unix build](https://img.shields.io/travis/cristianoliveira/ergo.svg?label=unix)](https://travis-ci.org/cristianoliveira/ergo) [![win build](https://img.shields.io/appveyor/ci/cristianoliveira/ergo.svg?label=win)](https://ci.appveyor.com/project/cristianoliveira/ergo) [![codecov](https://codecov.io/gh/cristianoliveira/ergo/branch/master/graph/badge.svg)](https://codecov.io/gh/cristianoliveira/ergo)
+# Ergo [![GoDoc](https://godoc.org/github.com/cristianoliveira/ergo?status.svg)](https://godoc.org/github.com/cristianoliveira/ergo) [![Go Report Card](https://goreportcard.com/badge/github.com/cristianoliveira/ergo)](https://goreportcard.com/report/github.com/cristianoliveira/ergo) [![unix](https://github.com/cristianoliveira/ergo/actions/workflows/on-push.yml/badge.svg)](https://github.com/cristianoliveira/ergo/actions/workflows/on-push.yml) [![win build](https://img.shields.io/appveyor/ci/cristianoliveira/ergo.svg?label=win)](https://ci.appveyor.com/project/cristianoliveira/ergo) [![codecov](https://codecov.io/gh/cristianoliveira/ergo/branch/master/graph/badge.svg)](https://codecov.io/gh/cristianoliveira/ergo)
 
 <p align="left" >
 <img src="https://s-media-cache-ak0.pinimg.com/736x/aa/bc/3b/aabc3b2b789f478ffb87ac2f0bdd2d33--ergo-proxy-manga-anime.jpg" width="250" align="center" />