Test: Add PR testing support to sync-docs workflow

Author: Darius Neațu

.github/workflows/sync-docs.yml

@@ -39,7 +39,17 @@ jobs:
         run: |
           python3 scripts/sync-docs.py beman
 
+      - name: Show changes (for PR testing)
+        if: github.event_name == 'pull_request'
+        run: |
+          echo "=== Changes detected ==="
+          git status
+          echo ""
+          echo "=== Diff ==="
+          git diff || echo "No changes detected"
+
       - name: Create Pull Request
+        if: github.event_name != 'pull_request'
         uses: peter-evans/create-pull-request@v6
         with:
           base: main