add immerJs example

react-advanced-tag1/package.json

@@ -17,6 +17,7 @@
     "prettier": "prettier ./src --write"
   },
   "dependencies": {
+    "immer": "^10.1.1",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-router-dom": "^7.5.0",
@@ -42,4 +43,4 @@
     "vite": "^6.2.0",
     "vitest": "^3.1.1"
   }
-}
+}