Update README.md and add Node CI workflow

Author: SagarBiswas-MultiHAT

.github/workflows/node-ci.yml

@@ -0,0 +1,26 @@
+name: Node CI
+
+on:
+  push:
+    branches: ["main", "master"]
+  pull_request:
+    branches: ["main", "master"]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out source code
+        uses: actions/checkout@v4
+
+      - name: Use Node.js 18
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: npm
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run tests
+        run: npm test

README.md

@@ -1,5 +1,19 @@
 # Email Verification + 2FA Auth Demo (Vanilla JS + Node/Express)
 
+<div align="right">
+
+![Live](https://img.shields.io/website?url=https://twofa-auth-vwrs.onrender.com/) 
+&nbsp;
+![CI](https://github.com/SagarBiswas-MultiHAT/2FA-Auth/actions/workflows/node-ci.yml/badge.svg) 
+&nbsp;
+![Node](https://img.shields.io/badge/node-18%2B-brightgreen) 
+&nbsp;
+![Last commit](https://img.shields.io/github/last-commit/SagarBiswas-MultiHAT/2FA-Auth) 
+&nbsp;
+![Issues](https://img.shields.io/github/issues/SagarBiswas-MultiHAT/2FA-Auth)
+
+</div>
+
 A beginner-friendly authentication project that **feels like a real app**, but is still small enough to understand end-to-end.
 
 This repo shows the complete auth story:

package.json

@@ -5,12 +5,13 @@
   "type": "commonjs",
   "scripts": {
     "start": "node server.js",
-    "dev": "node server.js"
+    "dev": "node server.js",
+    "test": "node --check server.js"
   },
   "dependencies": {
     "dotenv": "^16.4.5",
     "express": "^4.21.2",
     "nodemailer": "^7.0.12",
     "qrcode": "^1.5.4"
   }
-}
+}