fix: setup cd (#7)

Disabled cloud deployment workflow

Author: jiahui0309

.github/workflows/cd.yml.disabled

@@ -0,0 +1,39 @@
+name: CD Pipeline
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.x'
+          cache: 'npm'
+
+      # To be updated depending on structure of project
+      - name: Generate deployment package
+        run: zip -r peerprep-app.zip index.js package.json package-lock.json
+
+      - name: Get Node.js version
+        run: echo "VERSION=$(node -p 'require('./package.json').version')" >> "$GITHUB_ENV"
+
+      - name: Deploy to EB
+        uses: einaregilsson/beanstalk-deploy@v22
+        with:
+          aws_access_key: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws_secret_key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          application_name: PeerPrep-09
+          environment_name: PeerPrep-09-env
+          region: ap-southeast-1
+          version_label: Version-${{ github.sha }}
+          deployment_package: peerprep-app.zip
+          use_existing_version_if_available: true
+