add badge

Author: kevinongko

README.md

@@ -2,6 +2,7 @@
 
 [![npm version](https://badge.fury.io/js/vue-numeric.svg)](https://badge.fury.io/js/vue-numeric)
 [![npm](https://img.shields.io/npm/dt/vue-numeric.svg)](https://www.npmjs.com/package/vue-numeric)
+[![npm](https://img.shields.io/npm/dm/vue-numeric.svg)](https://www.npmjs.com/package/vue-numeric)
 [![npm](https://img.shields.io/npm/l/vue-numeric.svg)](http://opensource.org/licenses/MIT)
 
 Input field component to display currency value based on [Vue](https://vuejs.org/).