changed asset caching strategy

there were to many issues with stale content breaking the application thus policy was changed to network first. might make another fix to split between more static assets (bootstrap/libraries/...) and more actively changed ones like the frontend

vue/src/sw.js

@@ -46,7 +46,7 @@ registerRoute(
 
 registerRoute(
     ({request}) => (request.destination === 'script' || request.destination === 'style'),
-    new StaleWhileRevalidate({
+    new NetworkFirst({
         cacheName: 'assets'
     })
 )