feat: PWA + full web app — service worker, routing, mobile responsive

frontend/package.json

@@ -15,17 +15,20 @@
   },
   "dependencies": {
     "react": "18.3.1",
-    "react-dom": "18.3.1"
+    "react-dom": "18.3.1",
+    "react-router-dom": "^6.22.0"
   },
   "devDependencies": {
-    "vite": "5.0.0",
     "@vitejs/plugin-react": "5.0.0",
+    "concurrently": "^8.0.0",
     "electron": "^26.0.0",
     "electron-builder": "^24.0.0",
-    "concurrently": "^8.0.0",
-    "wait-on": "^7.0.0"
-  }
-  ,
+    "vite": "5.0.0",
+    "vite-plugin-pwa": "^0.21.1",
+    "wait-on": "^7.0.0",
+    "workbox-build": "^7.4.0",
+    "workbox-window": "^7.0.0"
+  },
   "build": {
     "appId": "com.projecthub.app",
     "productName": "Project Hub",
@@ -38,6 +41,5 @@
       "buildResources": "build"
     }
   },
-  "devDependenciesMeta": {
-  }
+  "devDependenciesMeta": {}
 }