Add backend and frontend structure with routing, components, and styling

- Implemented Express server with CORS and dotenv support
- Created basic routing with React Router in frontend
- Added Admin and Home components with navigation
- Integrated MainForm component for user input
- Updated package.json and package-lock.json with new dependencies
- Styled components using Tailwind CSS and Lucide icons
- Added error handling in server
- Created initial EJS view for backend

backend/server.js

@@ -0,0 +1,26 @@
+import express from "express";
+import cors from "cors";
+import env from "dotenv";
+env.config();
+const app = express();
+const port = 10001;
+
+app.use(cors());
+app.use(express.urlencoded({ extended: true }));
+app.set("view engine", "ejs");
+app.use(express.json());
+
+app.get("/", (req, res) => {
+  res.render("index.ejs", { title: port });
+});
+
+app.listen(port, () => {
+  console.log(`Server is running on port: ${port}`);
+});
+
+// error handling code
+app.use((err, req, res, next) => {
+  // Log the error stack and send a generic error response
+  console.error(err.stack);
+  res.status(500).send("Something broke!");
+});