add new options to example

defaults/main.yml

@@ -120,11 +120,17 @@ nginx_vhosts_default:
 #           key: /etc/pki/tls/..
 #           dhparam:
 #         client_max_body_size:
+#         send_timeout:
 #         locations:
 #           - match: /
 #             root: /var/www/vhosts/default
 #             index: index.html
 #             proxy_pass:
+#             proxy_http_version: "1.1"
+#             proxy_buffering: "off"
+#             proxy_connect_timeout: 3600s
+#             proxy_read_timeout: 3600s
+#             proxy_send_timeout: 3600s
 #             proxy_headers: []
 #     error_page: /usr/share/nginx/html