added car configurator

fetch.js

@@ -0,0 +1,28 @@
+import express from "express";
+import fs from "fs";
+import path from "path";
+import { fileURLToPath } from "url";
+import cors from "cors";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const app = express();
+const DATA_PATH = path.join(__dirname, "public", "data.json");
+
+app.use(cors());
+app.use(express.json({ limit: "10mb" }));
+
+app.get("/api/data", (req, res) => {
+  const raw = fs.readFileSync(DATA_PATH, "utf-8");
+  res.json(JSON.parse(raw));
+});
+
+app.post("/api/data", (req, res) => {
+  try {
+    fs.writeFileSync(DATA_PATH, JSON.stringify(req.body, null, 2), "utf-8");
+    res.json({ ok: true });
+  } catch (e) {
+    res.status(500).json({ ok: false, error: e.message });
+  }
+});
+
+app.listen(4000, () => console.log("API running on :4000"));