Add coveralls settings

Author: ivanvs

.gitignore

@@ -2,5 +2,5 @@ lib/**
 node_modules/**
 .idea/**
 package-lock.json
-
+coverage/**
 example/backend/node_modules/**

README.md

@@ -3,6 +3,7 @@
 [![Build Status](https://travis-ci.org/GenFirst/react-twitter-auth.svg?branch=master)](https://travis-ci.org/GenFirst/react-twitter-auth)
 [![Code Climate](https://codeclimate.com/github/GenFirst/react-twitter-login/badges/gpa.svg)](https://codeclimate.com/github/GenFirst/react-twitter-login)
 [![Dependency Status](https://gemnasium.com/badges/github.com/GenFirst/react-twitter-auth.svg)](https://gemnasium.com/github.com/GenFirst/react-twitter-auth)
+[![Coverage Status](https://coveralls.io/repos/github/GenFirst/react-twitter-auth/badge.svg?branch=master)](https://coveralls.io/github/GenFirst/react-twitter-auth?branch=master)
 [![npm version](https://badge.fury.io/js/react-twitter-auth.svg)](https://badge.fury.io/js/react-twitter-auth)
 ![License](https://img.shields.io/badge/license-MIT-blue.svg)
 

package.json

@@ -7,8 +7,8 @@
     "build:production": "cross-env NODE_ENV=production webpack src/index.js lib/react-twitter-auth-component.min.js",
     "lint": "eslint src/ --fix",
     "clean": "rm -rf node_modules && rm -rf bin",
-    "test": "jest --config jest.config.json",
-    "coveralls": ""
+    "test": "jest --config jest.config.json --coverage",
+    "coveralls": "cat coverage/lcov.info | coveralls"
   },
   "main": "lib/react-twitter-auth-component.js",
   "repository": {
@@ -41,7 +41,9 @@
     "babel-preset-es2015": "6.24.1",
     "babel-preset-react": "6.24.1",
     "babel-preset-stage-1": "6.24.1",
+    "coveralls": "^2.13.1",
     "cross-env": "5.0.5",
+    "enzyme": "^2.9.1",
     "eslint": "4.5.0",
     "eslint-config-airbnb": "15.1.0",
     "eslint-plugin-babel": "4.1.2",
@@ -50,8 +52,9 @@
     "eslint-plugin-react": "7.3.0",
     "jest": "^21.1.0",
     "react": "^15.5.4",
-    "webpack": "3.5.5",
-    "react-dom": "^15.5.0"
+    "react-addons-test-utils": "^15.6.0",
+    "react-dom": "^15.5.0",
+    "webpack": "3.5.5"
   },
   "dependencies": {
     "react-icons": "^2.2.5",