Update README.md

Author: thednp

README.md

@@ -3,11 +3,21 @@ Modern event listener for efficient applications based on the [subscribe-publish
 
 **EventListener** is less than 900 bytes when minified, but packs a surprising amount of power.
 
+[![NPM Version](https://img.shields.io/npm/v/event-listener.js.svg?style=flat-square)](https://www.npmjs.com/package/event-listener.js)
+[![NPM Downloads](https://img.shields.io/npm/dm/event-listener.js.svg?style=flat-square)](http://npm-stat.com/charts.html?package=event-listener.js)
+[![jsDeliver](https://data.jsdelivr.com/v1/package/npm/event-listener.js/badge)](https://www.jsdelivr.com/package/npm/event-listener.js)
+[![CDNJS](https://img.shields.io/cdnjs/v/event-listener.js.svg?style=flat-square)](https://cdnjs.com/libraries/event-listener.js)
+
 # NPM
 ```
 npm install event-listener.js
 ```
 
+# CDN
+```html
+<script src="https://cdn.jsdelivr.net/npm/event-listener.js/dist/event-listener.min.js"></script>
+```
+
 # Package Features
 * **EventListener** is ES6+ sourced with TypeScript definitions;
 * **EventListener** comes with ES6, ES5 and ESM packaging, all in `/dist` folder;