add server file

indexServer.js

+const express = require('express');
+const app = express();
+const dirTree = require('directory-tree');
+const fs = require('fs');
+const http = require('http');
+const request = require('request');
+
+/* serves all the static files */
+app.get(/^(.+)$/, function (req, res) {
+ console.log('static file request : ' + req.params);
+ //res.sendFile(__dirname + req.params[0]);
+ res.sendFile(__dirname + req.params[0]);
+});
+
+app.get('/', (req, res) => res.send('Hello World!'))
+
+app.listen(3000, () => console.log('Example app listening on port 3000!'))
\ No newline at end of file