add 2nd endpoint to webserver; use express

lib/modules/webserver/backend/index.html

@@ -0,0 +1 @@
+Welcome to Embark!

lib/modules/webserver/server.js

@@ -3,6 +3,8 @@ let http = require('http');
 let serveStatic = require('serve-static');
 const {canonicalHost, defaultHost, dockerHostSwap} = require('../../utils/host');
 require('http-shutdown').extend();
+var express = require('express');
+let path = require('path');
 
 class Server {
   constructor(options) {
@@ -25,15 +27,29 @@ class Server {
     }
     let serve = serveStatic(this.dist, {'index': ['index.html', 'index.htm']});
 
-    this.server = http.createServer(function onRequest(req, res) {
-      serve(req, res, finalhandler(req, res));
-    }).withShutdown();
+    var app = express();
+
+    app.use(serve);
+    app.use('/backend', serveStatic(path.join(__dirname, 'backend'), {'backend': ['index.html', 'index.htm']}));
+
+    //app.get('/embark', function (req, res) {
+    //  res.send('Welcome to Embark')
+    //});
+
+    app.listen(this.port);
 
     this.logger.info(__("webserver available at") +
                      " " +
                      ("http://" + canonicalHost(this.hostname) +
                       ":" + this.port).bold.underline.green);
     this.server.listen(this.port, this.hostname);
+
+    //this.server = http.createServer(function onRequest(req, res) {
+    //  serve(req, res, finalhandler(req, res));
+    //}).withShutdown();
+
+    //this.logger.info("webserver available at " + ("http://" + this.hostname + ":" + this.port).bold.underline.green);
+    //this.server.listen(this.port, this.hostname);
     if (callback) {
       callback();
     }

package.json

@@ -43,6 +43,7 @@
     "eth-ens-namehash": "^2.0.8",
     "eth-lib": "^0.2.8",
     "ethereumjs-wallet": "0.6.0",
+    "express": "^4.16.2",
     "file-loader": "^1.1.5",
     "finalhandler": "^1.1.1",
     "follow-redirects": "^1.2.4",