Update README.md

Author: nimjetushar

README.md

@@ -3,6 +3,7 @@
 [![Build Status](https://semaphoreci.com/api/v1/nimjetushar/eslint-rules/branches/master/shields_badge.svg)](https://semaphoreci.com/nimjetushar/eslint-rules)
 [![Dependabot Status](https://api.dependabot.com/badges/status?host=github&repo=nimjetushar/eslint-rules)](https://dependabot.com)
 <br>
+![npm](https://img.shields.io/npm/v/@fourjs/eslint-config-tn)
 [![GitHub license](https://img.shields.io/github/license/nimjetushar/eslint-rules)](https://github.com/nimjetushar/eslint-rules/blob/master/LICENSE)
 
 Standard eslint rules