add build status badge

Author: santoshyadavdev

README.md

@@ -1,5 +1,5 @@
 [![npm version](https://badge.fury.io/js/%40ngx-builders%2Fanalyze.svg)](https://badge.fury.io/js/%40ngx-builders%2Fanalyze)
-
+![Node.js CI](https://github.com/ngx-builders/source-map-analyzer/workflows/Node.js%20CI/badge.svg?branch=master)
 # Builder To Run Source Map Explorer
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
 [![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)