add pwa

frontend/vite.config.ts

@@ -1,15 +1,31 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import tailwindcss from '@tailwindcss/vite'
+import { VitePWA } from 'vite-plugin-pwa'
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [react(), tailwindcss()],
+  plugins: [
+    react(),
+    tailwindcss(),
+    VitePWA({
+      registerType: 'autoUpdate',
+      manifest: false, // manifest.json from public
+      workbox: {
+        globPatterns: ['**/*.{js,css,html,ico,png,svg,json}'],
+        runtimeCaching: [
+          {
+            urlPattern: /^https:\/\/.*\/api\//,
+            handler: 'NetworkFirst',
+            options: {
+              cacheName: 'api-cache',
+            },
+          },
+        ],
+      },
+    }),
+  ],
   server: {
     allowedHosts: ['delivery.loca.lt', '.loca.lt'],
-    // hmr: {
-    //   host: 'delivery.loca.lt', // Use the hostname provided by localtunnel
-    //   port: 443, // Use HTTPS port
-    // },
   },
 })