Add manifest

assets/manifest.json

@@ -0,0 +1,15 @@
+{
+  "name": "{{ .Site.Title }}",
+  "short_name": "{{ .Site.Title }}",
+  "start_url": "{{ "/" | relURL }}",
+  "scope": "{{ "/" | relURL }}",
+  "display": "standalone",
+  "background_color": "#000000",
+  "theme_color": "#000000",
+  "icons": [
+    {
+      "src": "{{ "/favicon.svg" | relURL }}",
+      "sizes": "512x512"
+    }
+  ]
+}

assets/sw.js

@@ -8,10 +8,9 @@ const pages = [
 self.addEventListener("install", function (event) {
   self.skipWaiting();
 
-  const precache = caches.open(cacheName).then((cache) => {
+  caches.open(cacheName).then((cache) => {
     return cache.addAll(pages);
   });
-  event.waitUntil(precache);
 });
 
 self.addEventListener("fetch", (event) => {