Fix wrong nginx template name

deployment/ansible-role-sentinel/tasks/deploy.yml

@@ -69,7 +69,7 @@
   tags: [sentinel, deploy]
 
 - name: set nginx configuration
-  template: src=sentinel.nginx dest=/etc/nginx/sites-available/sentinel
+  template: src=sentinel.nginx.j2 dest=/etc/nginx/sites-available/sentinel
   notify: restart nginx
   register: nginx_config