feat: add workflow to remove preview files when pr closed

.github/workflows/pr-remove-preview.yml

@@ -0,0 +1,31 @@
+name: Remove preview for PR
+
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  remove-preview:
+    name: Remove preview for PR
+    runs-on: ubuntu-latest
+
+    steps:
+      # Remove the PR-specific folder from S3
+      - name: Remove PR-specific subdirectory from S3
+        run: |
+          echo "Cleaning up preview folder for PR #${{ github.event.pull_request.number }}"
+          aws s3 rm "s3://${{ secrets.PREVIEW_AWS_BUCKET_NAME }}/pr${{ github.event.pull_request.number }}" --recursive
+        env:
+          AWS_REGION: ${{ secrets.AWS_REGION }}
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+
+      - name: Invalidate CloudFront cache for PR
+        uses: chetan/invalidate-cloudfront-action@v2
+        env:
+          PATHS: "/pr-${{ github.event.pull_request.number }}/*"
+          DISTRIBUTION: ${{ secrets.PREVIEW_CLOUDFRONT_DISTRIBUTION }}
+          AWS_REGION: ${{ secrets.AWS_REGION }}
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}