make this more friendly to heroku et al

index.js

@@ -46,5 +46,5 @@ io.on('connection', (socket) => {
     console.log(`Clear buzzes`)
   })
 })
-
-server.listen(8090, () => console.log('Listening on 8090'))
+var port = process.env.PORT || 8090
+server.listen(port, () => console.log(`Listening on ${port}`))

package.json

@@ -4,7 +4,8 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node index.js"
   },
   "author": "Dan Farrelly <[email protected]> (http://danfarrelly.nyc)",
   "license": "MIT",