fix(pwa): skip range requests in service worker (mmistakes#1672)

Author: MrMurdock11

assets/js/pwa/sw.js

@@ -75,6 +75,10 @@ self.addEventListener('message', (event) => {
 });
 
 self.addEventListener('fetch', (event) => {
+  if (event.request.headers.has('range')) {
+    return;
+  }
+
   event.respondWith(
     caches.match(event.request).then((response) => {
       if (response) {