Update README.md

Author: pradeep0601

README.md

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 # Angular5RouterApp
 
 [![Greenkeeper badge](https://badges.greenkeeper.io/pradeep0601/Angular5-Router-App.svg)](https://greenkeeper.io/)
+[![Build Status](https://travis-ci.org/pradeep0601/Angular5-Router-App.svg?branch=master)](https://travis-ci.org/pradeep0601/Angular5-Router-App)
 
 This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 1.6.8.