PWA optimization: vite-plugin-pwa, split misc.json, IndexedDB cache layer

package.json

@@ -21,6 +21,7 @@
     "tailwindcss": "^4.3.3",
     "tsx": "^4.23.1",
     "typescript": "^6.0.3",
-    "vite": "^8.0.16"
+    "vite": "^8.0.16",
+    "vite-plugin-pwa": "^1.3.0"
   }
 }