docs: Update readme (#201)

Co-authored-by: Nam Hoang Le <nam.hoang.le@mgm-tp.com>

Author: nam-hle

.README/README.md

@@ -2,7 +2,7 @@
 
 > Produces a string that represents array data in a text table.
 
-[![Travis build status](http://img.shields.io/travis/gajus/table/master.svg?style=flat-square)](https://travis-ci.org/gajus/table)
+[![Github action status](https://github.com/gajus/table/actions/workflows/main.yml/badge.svg)](https://github.com/gajus/table/actions)
 [![Coveralls](https://img.shields.io/coveralls/gajus/table.svg?style=flat-square)](https://coveralls.io/github/gajus/table)
 [![NPM version](http://img.shields.io/npm/v/table.svg?style=flat-square)](https://www.npmjs.org/package/table)
 [![Canonical Code Style](https://img.shields.io/badge/code%20style-canonical-blue.svg?style=flat-square)](https://github.com/gajus/canonical)

README.md

@@ -3,7 +3,7 @@
 
 > Produces a string that represents array data in a text table.
 
-[![Travis build status](http://img.shields.io/travis/gajus/table/master.svg?style=flat-square)](https://travis-ci.org/gajus/table)
+[![Github action status](https://github.com/gajus/table/actions/workflows/main.yml/badge.svg)](https://github.com/gajus/table/actions)
 [![Coveralls](https://img.shields.io/coveralls/gajus/table.svg?style=flat-square)](https://coveralls.io/github/gajus/table)
 [![NPM version](http://img.shields.io/npm/v/table.svg?style=flat-square)](https://www.npmjs.org/package/table)
 [![Canonical Code Style](https://img.shields.io/badge/code%20style-canonical-blue.svg?style=flat-square)](https://github.com/gajus/canonical)