feat: add PWA support with offline capabilities

- Add web app manifest with icons and theme configuration
- Add service worker with cache-first strategy for static assets
- Add useServiceWorker hook for SW registration
- Add PWA meta tags and Apple-specific tags to index.html
- Update vite.config.ts for optimal asset caching

vite.config.ts

@@ -20,13 +20,14 @@ export default defineConfig({
   base: "./",
   build: {
     sourcemap: false,
+    assetsInlineLimit: 0, // Ensure assets are not inlined for proper PWA caching
   },
   server: {
     https: useHTTPS
       ? {
-          cert: fs.readFileSync(sslCertPath),
-          key: fs.readFileSync(sslKeyPath),
-        }
+        cert: fs.readFileSync(sslCertPath),
+        key: fs.readFileSync(sslKeyPath),
+      }
       : false,
     port: 5173,
     host: "localhost",