Re-added service worker back again.

Signed-off-by: Dennis Labordus <[email protected]>

Author: Dennis Labordus

index.html

@@ -33,6 +33,10 @@
     };
   </script>
   <script type="module" src="./src/open-scd.js"></script>
+  <script>
+    if ('serviceWorker' in navigator)
+      navigator.serviceWorker.register('/sw.js');
+  </script>
 </body>
 
 </html>