added more structure to project

backend/server.js

@@ -0,0 +1,15 @@
+//statics
+import express from "express";
+const app = express();
+const port = 4000;
+
+//view engine ejs
+app.set("view engine", "ejs");
+
+app.get("/", (req, res) => {
+  res.render("index.ejs");
+});
+
+app.listen(port, () => {
+  console.log(`Server is running at http://localhost:${port}`);
+});