message: docs(readme): add download and npm version badge
diff: # Ts Auto Mock
  -[![CircleCI](https://circleci.com/gh/uittorio/ts-auto-mock/tree/master.svg?style=svg)](https://circleci.com/gh/uittorio/ts-auto-mock/tree/master) [![Greenkeeper badge](https://badges.greenkeeper.io/uittorio/ts-auto-mock.svg)](https://greenkeeper.io/)
  +[![CircleCI](https://circleci.com/gh/uittorio/ts-auto-mock/tree/master.svg?style=svg)](https://circleci.com/gh/uittorio/ts-auto-mock/tree/master)
  +[![Greenkeeper badge](https://badges.greenkeeper.io/uittorio/ts-auto-mock.svg)](https://greenkeeper.io/)
  +[![npm version](https://badge.fury.io/js/ts-auto-mock.svg)](https://badge.fury.io/js/ts-auto-mock)
  +[![Downloads](https://img.shields.io/npm/dt/ts-auto-mock.svg)](https://www.npmjs.com/package/ts-auto-mock)
  +
  A Typescript transformer that will allow you to create mock for any types (Interfaces, Classes, ...) without need to create manual fakes/mocks.
  