add missing devtools package

Author: juliomuhlbauer

examples/react/start-i18n-paraglide/package.json

@@ -9,7 +9,9 @@
     "serve": "vite preview"
   },
   "dependencies": {
+    "@tanstack/react-devtools": "^0.7.0",
     "@tanstack/react-router": "^1.132.7",
+    "@tanstack/react-router-devtools": "^1.132.7",
     "@tanstack/react-start": "^1.132.9",
     "react": "^19.1.1",
     "react-dom": "^19.1.1"