Add GitHub Actions lab workflow

.github/workflows/ci.yml

@@ -0,0 +1,20 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, mgrama-gmd-upgraded-garbanzo ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+      - run: npm ci
+      - run: npm test
+        env:
+          CI: true

.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+.env

README.md

@@ -49,3 +49,15 @@ deployed to GitHub Pages by the [`web-build-and-gh-pages-deploy.yml`](#what-is-i
 
 Contributions are welcome.
 Open an issue or PR with improvements, fixes, or suggestions.
+
+---
+
+## GitHub Actions Lab (added)
+
+This repository now includes a minimal "actions-lab" example to follow the Microsoft Learn module "Explore actions flow":
+
+- package.json and index.js: a trivial Node.js test script
+- .github/workflows/ci.yml: a CI workflow that runs `npm test` on push and PRs
+
+See the top-level README for the rest of the project. To trigger the lab workflow push to this branch or open a PR targeting main.
+

index.js

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+// Simple test script used by the CI workflow
+console.log('Test script: OK');

package.json

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+{
+  "name": "actions-lab",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "test": "node index.js"
+  }
+}