Improve WebGL asset caching

Build/ServiceWorker.js

@@ -15,11 +15,32 @@ self.addEventListener('install', function (e) {
       const cache = await caches.open(cacheName);
       console.log('[Service Worker] Caching all: app shell and content');
       await cache.addAll(contentToCache);
+      await self.skipWaiting();
+    })());
+});
+
+self.addEventListener('activate', function (e) {
+    e.waitUntil((async function () {
+      const keys = await caches.keys();
+      await Promise.all(keys.map(function (key) {
+        return key === cacheName ? Promise.resolve() : caches.delete(key);
+      }));
+      await self.clients.claim();
     })());
 });
 
 self.addEventListener('fetch', function (e) {
+    if (e.request.method !== 'GET') {
+      return;
+    }
+
     e.respondWith((async function () {
+      const url = new URL(e.request.url);
+      const isBuildAsset = url.pathname.includes('/Build/') || url.pathname.includes('/StreamingAssets/');
+      if (!isBuildAsset && !url.pathname.endsWith('/TemplateData/style.css')) {
+        return fetch(e.request);
+      }
+
       let response = await caches.match(e.request);
       console.log(`[Service Worker] Fetching resource: ${e.request.url}`);
       if (response) { return response; }