add index page build time
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<link rel="icon" href="<%= BASE_URL %>favicon.ico">
- <title><%= htmlWebpackPlugin.options.title %></title>
+ <title build="<%= htmlWebpackPlugin.options.build %>" ><%= htmlWebpackPlugin.options.title %></title>
</head>
<body>
<noscript>
