several improvements

src/index.html

@@ -9,6 +9,7 @@
 
   <script type="text/javascript" src="node_modules/ibm-mfp-web-sdk/ibmmfpfanalytics.js"></script>
   <script type="text/javascript" src="node_modules/ibm-mfp-web-sdk/ibmmfpf.js"></script>
+  <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.9.359/pdf.min.js" integrity="sha512-U5C477Z8VvmbYAoV4HDq17tf4wG6HXPC6/KM9+0/wEXQQ13gmKY2Zb0Z2vu0VNUWch4GlJ+Tl/dfoLOH4i2msw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
   <!-- <script src="assets/js/index.js"></script> -->
   <script src="assets/js/wldirectudpate.js"></script>
   <script>
@@ -46,7 +47,7 @@
   <meta name="format-detection" content="telephone=no" />
   <meta name="msapplication-tap-highlight" content="no" />
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.14.0/css/all.min.css" integrity="sha512-1PKOgIY59xJ8Co8+NE6FZ+LOAZKjy+KY8iq0G4B3CyeY6wYHN3yt9PW0XpSriVlkMXe40PTKnXrLnZ9+fkDaog==" crossorigin="anonymous" />
-  
+
   <link href="https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap" rel="stylesheet">
 
   <link rel="icon" type="image/x-icon" href="assets/icon/favicon.png" />
@@ -55,7 +56,7 @@
   <!-- add to homescreen for ios -->
   <meta name="apple-mobile-web-app-capable" content="yes" />
   <meta name="apple-mobile-web-app-status-bar-style" content="black" />
-  
+
   <link rel="preconnect" href="https://fonts.gstatic.com">
   <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500&display=swap" rel="stylesheet">
   <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">