spruce up readme 🌲

Author: developit

README.md

@@ -1,4 +1,13 @@
-# jsdom-worker
+<p align="center">
+  <img src="https://d1j8pt39hxlh3d.cloudfront.net/development/emojione/2.2/513/2248.svg" width="256">
+</p>
+<h1 align="center">jsdom-worker</h1>
+<p align="center"><em>Lets you use Web Workers in Jest!</em></p>
+<p align="center">
+<a href="https://www.npmjs.org/package/jsdom-worker"><img src="https://img.shields.io/npm/v/jsdom-worker.svg?style=flat" alt="npm"></a> <a href="https://travis-ci.org/developit/jsdom-worker"><img src="https://travis-ci.org/developit/jsdom-worker.svg?branch=master" alt="travis"></a>
+</p>
+
+---
 
 This is an experimental implementation of the Web Worker API (specifically Dedicated Worker) for JSDOM.