add node logo and express static

index.js

@@ -1,11 +1,13 @@
-var express = require('express');
+var express = require('express')
 var app = express();
 
 app.set('port', (process.env.PORT || 5000))
+app.use(express.static(__dirname + '/public'))
+
 app.get('/', function(request, response) {
-  response.send('Hello World!');
-});
+  response.send('Hello World!')
+})
 
 app.listen(app.get('port'), function() {
-  console.log("Node app is running at localhost:" + app.get('port'));
-});
+  console.log("Node app is running at localhost:" + app.get('port'))
+})