Fix README.md

Author: Piotr Oleś

README.md

@@ -1,5 +1,5 @@
 # Fork TS Checker Webpack Plugin
-[![Npm version](https://img.shields.io/npm/v/@realytics/fork-ts-checker-webpack-plugin.svg?style=flat-square)](https://www.npmjs.com/package/@realytics/fork-ts-checker-webpack-plugin)
+[![Npm version](https://img.shields.io/npm/v/fork-ts-checker-webpack-plugin.svg?style=flat-square)](https://www.npmjs.com/package/fork-ts-checker-webpack-plugin)
 [![Build Status](https://travis-ci.org/Realytics/fork-ts-checker-webpack-plugin.svg?branch=master)](https://travis-ci.org/realytics/fork-ts-checker-webpack-plugin)
 
 Webpack plugin that runs typescript type checker (with optional linter) on separate processes.