Add universal cursor hover-to-translate detector and cache-busting headers

index.html

@@ -7,7 +7,7 @@
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet">
-  <link rel="stylesheet" href="styles.css" />
+  <link rel="stylesheet" href="styles.css?v=4" />
 </head>
 <body>
 
@@ -408,10 +408,10 @@
   <div id="toast" class="toast-notification"></div>
 
   <!-- SCRIPTS -->
-  <script src="data/vocabulary.js"></script>
-  <script src="data/stories.js"></script>
-  <script src="data/scenarios.js"></script>
-  <script src="data/hover_dict.js"></script>
-  <script src="app.js"></script>
+  <script src="data/vocabulary.js?v=4"></script>
+  <script src="data/stories.js?v=4"></script>
+  <script src="data/scenarios.js?v=4"></script>
+  <script src="data/hover_dict.js?v=4"></script>
+  <script src="app.js?v=4"></script>
 </body>
 </html>