⚙️ Build a REST API with Express.js and Deploy to Vercel Step-by-step setup using GitHub, serverless functions, and clean JSON responses.

🧠 REST API Explained for Vercel Serverless Setup

🧾 A REST API is like a 🤵 waiter between your 🌐 website and your 📦 data — it 📨 takes requests, 🔍 fetches what’s needed, and 🧹 returns it clean and structured.