- adding badges to david-dm to show the current state of the used dependencies

[ci skip]

Author: madoar

README.md

@@ -1,6 +1,8 @@
 # Ng2Wizard
 
 [![Build Status](https://travis-ci.org/madoar/ng2-wizard.png)](https://travis-ci.org/madoar/ng2-wizard)
+[![Dependency Status](https://david-dm.org/madoar/ng2-wizard.svg)](https://david-dm.org/madoar/ng2-wizard)
+[![Dev-Dependency Status](https://david-dm.org/madoar/ng2-wizard/dev-status.svg)](https://david-dm.org/madoar/ng2-wizard?type=dev)
 
 This project contains a functional wizard component for [Angular 2](https://angular.io/).