New badges

Signed-off-by: Fabio José <[email protected]>

Author: fabiojose

README.md

@@ -1,6 +1,9 @@
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/bd66e7c52002481993cd6d610534b0f7)](https://www.codacy.com/app/fabiojose/sdk-javascript?utm_source=github.com&utm_medium=referral&utm_content=cloudevents/sdk-javascript&utm_campaign=Badge_Grade)
 [![Codacy Badge](https://api.codacy.com/project/badge/Coverage/bd66e7c52002481993cd6d610534b0f7)](https://www.codacy.com/app/fabiojose/sdk-javascript?utm_source=github.com&utm_medium=referral&utm_content=cloudevents/sdk-javascript&utm_campaign=Badge_Coverage)
 [![Build Status](https://travis-ci.org/cloudevents/sdk-javascript.svg?branch=master)](https://travis-ci.org/cloudevents/sdk-javascript)
+[![downloads](https://img.shields.io/npm/dy/cloudevents-sdk.svg)](https://www.npmjs.com/package/cloudevents-sdk)
+[![npm version](https://img.shields.io/npm/v/cloudevents-sdk.svg)](https://www.npmjs.com/package/cloudevents-sdk)
+[![dependencies](https://david-dm.org/cloudevents/sdk-javascript.svg)]()
 
 # sdk-javascript