new folder structure / add de translation

steam-gift-manager/static/serviceworker.js

@@ -0,0 +1,32 @@
+const CACHE_NAME = 'game-key-manager-v2';
+const ASSETS = [
+  '/',
+  '/static/style.css',
+  '/static/logo.webp',
+  '/static/logo_small.webp',
+  '/static/gog_logo.webp',
+  '/static/forgejo.webp'
+];
+
+self.addEventListener('install', (event) => {
+  event.waitUntil(
+    caches.open(CACHE_NAME)
+      .then(cache => cache.addAll(ASSETS))
+  );
+});
+
+self.addEventListener('fetch', (event) => {
+  event.respondWith(
+    caches.match(event.request)
+      .then(cachedResponse => cachedResponse || fetch(event.request))
+  );
+});
+
+self.addEventListener('activate', (event) => {
+  event.waitUntil(
+    caches.keys().then(keys => Promise.all(
+      keys.filter(key => key !== CACHE_NAME)
+        .map(key => caches.delete(key))
+    ))
+  );
+});