Add npm dependencies status badge

Author: simonepri

README.md

@@ -1,4 +1,4 @@
-# Restify Errors Thrower [![Travis CI](https://travis-ci.org/simonepri/restify-errors-thrower.svg?branch=master)](https://travis-ci.org/simonepri/restify-errors-thrower) [![Codecov](https://img.shields.io/codecov/c/github/simonepri/restify-errors-thrower/master.svg)](https://codecov.io/gh/simonepri/restify-errors-thrower) [![npm](https://img.shields.io/npm/dm/restify-errors-thrower.svg)](https://www.npmjs.com/package/restify-errors-thrower) [![npm version](https://img.shields.io/npm/v/restify-errors-thrower.svg)](https://www.npmjs.com/package/restify-errors-thrower)
+# Restify Errors Thrower [![Travis CI](https://travis-ci.org/simonepri/restify-errors-thrower.svg?branch=master)](https://travis-ci.org/simonepri/restify-errors-thrower) [![Codecov](https://img.shields.io/codecov/c/github/simonepri/restify-errors-thrower/master.svg)](https://codecov.io/gh/simonepri/restify-errors-thrower) [![npm](https://img.shields.io/npm/dm/restify-errors-thrower.svg)](https://www.npmjs.com/package/restify-errors-thrower) [![npm version](https://img.shields.io/npm/v/restify-errors-thrower.svg)](https://www.npmjs.com/package/restify-errors-thrower) [![npm dependencies](https://david-dm.org/simonepri/restify-errors-thrower.svg)](https://david-dm.org/simonepri/restify-errors-thrower) [![npm dev dependencies](https://david-dm.org/simonepri/restify-errors-thrower/dev-status.svg)](https://david-dm.org/simonepri/restify-errors-thrower#info=devDependencies)
 > 💥 Throw Restify errors easily and consistently!