Set up project structure, backend stater files, and initial documentation

app/backend/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "task-backend",
+  "version": "1.0.0",
+  "description": "Backend API for scalable task platform",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js"
+  },
+  "dependencies": {
+    "express": "^4.21.2"
+  }
+}

app/backend/server.js

@@ -0,0 +1,18 @@
+const express = require("express");
+
+const app = express();
+const PORT = 3000;
+
+app.use(express.json());
+
+app.get("/", (req, res) => {
+  res.send("Task backend is running");
+});
+
+app.get("/health", (req, res) => {
+  res.status(200).json({ status: "healthy" });
+});
+
+app.listen(PORT, () => {
+  console.log(`Server running on port ${PORT}`);
+});