Update README

Author: titouanmathis

README.md

@@ -2,7 +2,7 @@
 
 [![NPM Version](https://img.shields.io/npm/v/@studiometa/webpack-config.svg?style=flat&colorB=3e63dd&colorA=414853)](https://www.npmjs.com/package/@studiometa/webpack-config/)
 [![Downloads](https://img.shields.io/npm/dm/@studiometa/webpack-config?style=flat&colorB=3e63dd&colorA=414853)](https://www.npmjs.com/package/@studiometa/webpack-config/)
-[![Size](https://img.shields.io/bundlephobia/minzip/@studiometa/webpack-config?style=flat&colorB=3e63dd&colorA=414853&label=size)](https://bundlephobia.com/package/@studiometa/webpack-config)
+[![Size](https://img.shields.io/npm/unpacked-size/%40studiometa%2Fwebpack-config?style=flat&colorB=3e63dd&colorA=414853&label=size)](npmjs.com/package/@studiometa/webpack-config)
 [![Dependency Status](https://img.shields.io/librariesio/release/npm/@studiometa/webpack-config?style=flat&colorB=3e63dd&colorA=414853)](https://david-dm.org/studiometa/webpack-config)
 
 > Minimal configuration to run a development server and build your assets with Webpack.