message: Update Npm downloads badge
diff: -# NativeBase [![](http://slack.nativebase.io/badge.svg)](http://slack.nativebase.io/) [![Build Status](https://travis-ci.org/GeekyAnts/NativeBase.svg?branch=master)](https://travis-ci.org/GeekyAnts/NativeBase) [![npm version](https://badge.fury.io/js/native-base.svg)](https://badge.fury.io/js/native-base)
  +# NativeBase [![](http://slack.nativebase.io/badge.svg)](http://slack.nativebase.io/) [![Build Status](https://travis-ci.org/GeekyAnts/NativeBase.svg?branch=master)](https://travis-ci.org/GeekyAnts/NativeBase) [![npm version](https://badge.fury.io/js/native-base.svg)](https://badge.fury.io/js/native-base) [![npm downloads](https://img.shields.io/npm/dt/native-base.svg)]()
  [![NPM](https://nodei.co/npm/native-base.png?downloads=true)](https://nodei.co/npm/native-base/)
  -[![NPM](https://nodei.co/npm-dl/native-base.png?height=2)](https://nodei.co/npm/native-base/)
  -
  Essential cross-platform UI components for React Native
  Updated docs [here!](https://docs.nativebase.io/)
  