add coveralls badge

README.md

@@ -1,7 +1,7 @@
 ![Moleculer logo](docs/assets/logo.png)
 
 [![Build Status](https://travis-ci.org/ice-services/moleculer.svg?branch=master)](https://travis-ci.org/ice-services/moleculer)
-<!-- [![Coverage Status](https://coveralls.io/repos/github/ice-services/moleculer/badge.svg?branch=master)](https://coveralls.io/github/moleculer/ice-services?branch=master) -->
+[![Coverage Status](https://coveralls.io/repos/github/ice-services/moleculer/badge.svg?branch=master)](https://coveralls.io/github/ice-services/moleculer?branch=master)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/b108c12cbf554fca9c66dd1925d11cd0)](https://www.codacy.com/app/mereg-norbert/moleculer?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=ice-services/moleculer&amp;utm_campaign=Badge_Grade)
 [![Code Climate](https://codeclimate.com/github/ice-services/moleculer/badges/gpa.svg)](https://codeclimate.com/github/ice-services/moleculer)
 [![David](https://img.shields.io/david/ice-services/moleculer.svg)](https://david-dm.org/ice-services/moleculer)