🔨 sample build of index.html with versionbuilder script

ref #30

public/index.html

@@ -13,6 +13,7 @@
 </head>
 
 <body>
+  <span style="display: none;visibility: hidden;" id="buildinfo">RELEASE_INFO-0.1.4-RELEASE_INFO</span>
   <noscript>You need to enable JavaScript to run this app.</noscript>
   <script src="/env.js"></script>
   <script defer type="module" src="/_dist_/index.js"></script>