primer commit

app.js

@@ -0,0 +1,13 @@
+var express = require('express');
+var app = express();
+var cors = require('cors');
+app.get('/', function(req, res) {
+    res.send('Hello World!');
+});
+app.use(cors());
+app.use(express.json()) // for parsing application/json
+app.use(express.urlencoded({ extended: true }))
+app.use(require('./routes/index.js'))
+app.listen(3000, function() {
+    console.log('Example app listening on port 3000!');
+});