added node backend

backend/index.js

@@ -0,0 +1,21 @@
+import express from "express";
+import getAll from "./routers/getAll.js";
+import getUser from "./routers/getUser.js";
+import getTopTen from "./routers/getTopTen.js";
+import reset from "./routers/reset.js";
+import cors from "cors";
+
+const router = express.Router();
+
+const app = express();
+app.use(express.json());
+app.use(cors());
+
+app.use("/api", getAll);
+app.use("/api", getTopTen);
+app.use("/api", getUser);
+app.use("/api", reset);
+
+app.use("/api", router);
+const PORT = process.env.PORT || 5000;
+app.listen(PORT, () => console.log(`Server started on port ${PORT}`));