Update PWA metadata

frontend/vite.config.js

@@ -13,6 +13,25 @@ export default defineConfig({
     VitePWA({
       registerType: 'autoUpdate',
       devOptions: {enabled: true},
+      manifest: {
+        name: 'Horde Hub',
+        short_name: 'horde-hub',
+        description: 'Chat with Horde agents',
+        background_color:"#181818",
+        theme_color: '#42b883',
+        icons: [
+          {
+            src: 'icon-192.png',
+            sizes: '192x192',
+            type: 'image/png'
+          },
+          {
+            src: 'icon-512.png',
+            sizes: '512x512',
+            type: 'image/png'
+          }
+        ]
+      }
     }),
   ],
   build: {