add logo

.npmignore

@@ -1,4 +1,7 @@
 .DS_Store
+circle.yml
 node_modules
 test*
 karma.conf.js
+logo.png
+logo.psd

README.md

@@ -1,3 +1,5 @@
+<img alt="React to Angular: The easiest way to use React components in Angular 1" src="https://raw.githubusercontent.com/coatue/react2angular/master/logo.png" width="400px" />
+
 # react2angular [![Build Status](https://img.shields.io/circleci/project/coatue/react2angular.svg?branch=master&style=flat-square)](https://circleci.com/gh/coatue/react2angular) [![NPM](https://img.shields.io/npm/v/react2angular.svg?style=flat-square)](https://www.npmjs.com/package/react2angular) [![Apache2](https://img.shields.io/npm/l/react2angular.svg?style=flat-square)](https://opensource.org/licenses/Apache2)
 
 > The easiest way to use React components in Angular 1!