Add CI/CD GitHub Actions workflow

Author: ibrahimShawraba

.github/workflows/ci-cd.yml

@@ -0,0 +1,108 @@
+ name: CI/CD Pipeline
+ 
+ on:
+   push:
+     branches: [main]
+   pull_request:
+     branches: [main]
+   workflow_dispatch:
+     inputs:
+       reason:
+         description: "Reason for manual trigger"
+         required: false
+         default: "Test run"
+         type: string
+   schedule:
+     - cron: "0 0 * * 0"
+
+ permissions:
+   contents: read
+   pages: write
+   id-token: write
+ 
+ concurrency:
+   group: "pages"
+   cancel-in-progress: false
+ 
+ jobs:
+   ci:
+     name: Continuous Integration
+     runs-on: ubuntu-latest
+ 
+     steps:
+       - name: Checkout code
+         uses: actions/checkout@v6
+ 
+       - name: Setup Node.js
+         uses: actions/setup-node@v6
+         with:
+           node-version: "24"
+           cache: "npm"
+ 
+       - name: Install dependencies
+         run: npm ci
+ 
+       - name: Run linter
+         run: npm run lint
+ 
+       - name: Check formatting
+         run: npm run format:check
+ 
+       - name: Run tests
+         run: npm test
+ 
+       - name: Build project
+         run: npm run build
+ 
+       - name: Generate simple log
+         run: |
+           mkdir -p logs
+           echo "CI Pipeline ran at $(date)" > logs/pipeline.log
+           echo "Tests passed ✓" >> logs/pipeline.log
+ 
+       - name: Generate demo HTML page
+         run: |
+           mkdir -p public
+           cp demo/index.html public/
+           cp dist/sum.js public/
+ 
+       - name: Upload build logs artifact
+         uses: actions/upload-artifact@v6
+         with:
+           name: build-logs
+           path: logs/
+           retention-days: 30
+ 
+       - name: Upload demo site artifact
+         uses: actions/upload-artifact@v6
+         with:
+           name: demo-site
+           path: public/
+           retention-days: 30
+ 
+   deploy:
+     name: Deploy to GitHub Pages
+     needs: ci
+     runs-on: ubuntu-latest
+ 
+     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+ 
+     environment:
+       name: github-pages
+       url: ${{ steps.deployment.outputs.page_url }}
+ 
+     steps:
+       - name: Download artifact
+         uses: actions/download-artifact@v7
+         with:
+           name: demo-site
+           path: ./public
+ 
+       - name: Upload to GitHub Pages
+         uses: actions/upload-pages-artifact@v3
+         with:
+           path: ./public
+ 
+       - name: Deploy to GitHub Pages
+         id: deployment
+         uses: actions/deploy-pages@v4