feat: Added favicon and PWA

static/manifest.json

@@ -0,0 +1,21 @@
+{
+  "name": "EchoLog",
+  "short_name": "EchoLog",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#ffffff",
+  "theme_color": "#0f172a",
+  "description": "Your personal homelab journal",
+  "icons": [
+    {
+      "src": "/static/echolog.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "/static/echolog.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ]
+}

static/service-worker.js

@@ -0,0 +1,15 @@
+self.addEventListener('install', function(event) {
+  self.skipWaiting();
+});
+
+self.addEventListener('activate', function(event) {
+  event.waitUntil(self.clients.claim());
+});
+
+self.addEventListener('fetch', function(event) {
+  event.respondWith(
+    caches.match(event.request).then(function(response) {
+      return response || fetch(event.request);
+    })
+  );
+});