fix: register service worker immediately and cache media requests (ci…

…nnyapp#1977)

* Allow service worker to immediately claim pages
* Allow media requests to be cached by browser

src/sw.ts

@@ -23,9 +23,14 @@ function fetchConfig(token?: string): RequestInit | undefined {
     headers: {
       Authorization: `Bearer ${token}`,
     },
+    cache: 'default',
   };
 }
 
+self.addEventListener('activate', (event: ExtendableEvent) => {
+  event.waitUntil(clients.claim());
+});
+
 self.addEventListener('fetch', (event: FetchEvent) => {
   const { url, method } = event.request;
   if (method !== 'GET') return;