add typescript to backend

backend/src/index.js

@@ -1,41 +0,0 @@
-const express = require("express");
-const cors = require("cors");
-const { PrismaClient } = require("@prisma/client");
-const appRoutes = require("./routes/appRoutes");
-
-const app = express();
-const port = process.env.PORT || 3000;
-const prisma = new PrismaClient();
-
-function setupMiddleware(app) {
-  app.use(cors());
-  app.use(express.json());
-  app.use("/api", appRoutes);
-}
-
-setupMiddleware(app);
-
-// Start server
-async function startServer() {
-  try {
-    app.listen(port);
-    console.log(`Server is running on http://localhost:${port}`);
-  } catch (error) {
-    console.error("Error starting the server:", error);
-  }
-}
-
-process.on("SIGINT", async () => {
-  try {
-    await prisma.$disconnect();
-    console.log("Prisma client disconnected");
-    process.exit(0);
-  } catch (error) {
-    console.error("Error disconnecting Prisma client:", error);
-    process.exit(1);
-  }
-});
-
-startServer();
-
-module.exports = { app, prisma };