ch(coveralls): integrate coveralls

- add .coveralls.yml file
- add coveralls badge to readme.md file

[Finishes #159232379]

.nyc_output/3a7ca7db52041d6e01537fc86a10c201.json

@@ -0,0 +1 @@
+{}

.travis.yml

@@ -10,3 +10,4 @@ before_script:
   - psql -c 'create database ah_test;' -U postgres
 script: npm test
 after_success:
+  - npm run coverage

README.md

@@ -2,6 +2,7 @@ Authors Haven - A Social platform for the creative at heart.
 =======
 [![Build Status](https://travis-ci.org/andela/fargo-ah.svg?branch=develop)](https://travis-ci.org/andela/fargo-ah)
 [![protected_by hound](https://img.shields.io/badge/protected_by-hound-b764b2.svg)](https://houndci.com/repos)
+[![Coverage Status](https://coveralls.io/repos/github/andela/fargo-ah/badge.svg?branch=develop)](https://coveralls.io/github/andela/fargo-ah?branch=develop)
 
 ## Vision
 Create a community of like minded authors to foster inspiration and innovation

app.js

@@ -0,0 +1,16 @@
+import express from 'express';
+import bodyParser from 'body-parser';
+
+// Create global app object
+const app = express();
+
+
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(bodyParser.json());
+
+require("./models/User");
+
+app.use(require("./routes"));
+
+// Export express app to enable test runs exit after completion
+module.exports = app;