Add a port log to server start

library/server.js

@@ -49,9 +49,9 @@ dappServer.get('/app.js', function(req, res){
 // serve static
 dappServer.use(express.static('./example'))
 
-
-dappServer.listen('9002')
-
+const dappPort = '9002'
+dappServer.listen(dappPort)
+console.log(`Dapp listening on port ${dappPort}`)
 
 function createBundle(entryPoint){
 
@@ -70,7 +70,7 @@ function createBundle(entryPoint){
     global: true,
     presets: [bablePreset],
   })
-  
+
 
   bundler.on('update', bundle)
   bundle()
@@ -85,4 +85,4 @@ function createBundle(entryPoint){
     })
   }
 
-}
+}