Changed link from https to http in readme

The link to the "usage with webpack" section incorrectly sends you to an https page with various warnings. changed to http instead.

Author: rw251

README.md

@@ -118,7 +118,7 @@ $ npm install whs
 * :dizzy: Automatization of rendering
 * 🆕 **ES2015+ based**
 * :large_blue_diamond: Extension system (modules)
-* :package: [Webpack](https://whsjs.io/Usage%20with%20webpack.html) friendly
+* :package: [Webpack](http://whsjs.io/Usage%20with%20webpack.html) friendly
 * ✔️ **Integrated [Three.js](https://threejs.org/) rendering engine**
 * :revolving_hearts: Work with whs.js and Three.js at the same time