docs: fix express example to use express

closes #28

Author: esco

README.md

@@ -141,10 +141,10 @@ server.listen(3000)
 ### Serving using express
 
 ```js
-var connect = require('connect')
+var express = require('express')
 var serveStatic = require('serve-static')
 
-var app = connect()
+var app = express()
 
 app.use(serveStatic('public/ftp', {'index': ['default.html', 'default.htm']}))
 app.listen(3000)