feat(checks): reusable infrastructure checks

Author: Nelfimov

.github/workflows/reusable-infrastructure-checks.yaml

@@ -16,3 +16,10 @@ jobs:
 
       - name: Sanity Ansible
         uses: ansible/ansible-content-actions/.github/workflows/sanity.yaml@main
+
+      - name: Find and Validate NGINX Configs
+        run: |
+          find $GITHUB_WORKSPACE -name 'nginx.conf' | while read -r conf; do
+            echo "Validating $conf"
+            sudo nginx -t -c "$conf" || exit 1
+          done