refactor: ignore explicit index file reference

Author: jamesgeorge007

lib/commands/serve.js

@@ -6,7 +6,7 @@ const livereload = require('connect-livereload')
 const lrserver = require('livereload')
 const open = require('open')
 const chalk = require('chalk')
-const util = require('../util/index')
+const util = require('../util')
 const getPort = require('get-port')
 
 const exists = util.exists