Fix: Use published npm package instead of local file reference

Changed @xtr-dev/rondevu-client from "file:../client" to "^0.0.3"
to fix deployment build error.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

package.json

@@ -10,7 +10,7 @@
     "deploy": "npm run build && npx wrangler pages deploy dist --project-name=rondevu-demo"
   },
   "dependencies": {
-    "@xtr-dev/rondevu-client": "file:../client",
+    "@xtr-dev/rondevu-client": "^0.0.3",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },