Adding Basic Node API

app.js

@@ -0,0 +1,28 @@
+var express    = require('express');        // call express
+var app        = express();                 // define our app using express
+var bodyParser = require('body-parser');
+
+app.use(bodyParser.urlencoded({ extended: true }));
+app.use(bodyParser.json());
+
+var port = process.env.PORT || 8080;        // set our port
+
+//To ping heroku app to prevent from sleeping
+setInterval(function() {
+http.get(process.env.HerokuURL);
+},1200000);
+
+var router = express.Router();              // get an instance of the express Router
+
+router.get('/', function(req, res) {
+    res.json({ message: 'welcome to our ADAM AI api!' });
+});
+
+router.get('/hi', function(req, res) {
+    res.json({ hi: 'Hello' });
+});
+
+app.use('/api', router);
+
+app.listen(port);
+console.log('Listening on port ' + port);