DOCSP-9535 add conf file example to enable auth tutorial

source/includes/steps-create-admin-then-enable-authentication.yaml

@@ -74,7 +74,7 @@ title: Re-start the MongoDB instance with access control.
 level: 4
 stepnum: 4
 ref: restart-with-auth
-pre: |
+content: |
 
   a. Shut down the :binary:`~bin.mongod` instance. For example, from
      the :binary:`~bin.mongo` shell, issue the following command:
@@ -85,15 +85,24 @@ pre: |
 
   #. Exit the :binary:`~bin.mongo` shell.
 
-  #. From the terminal, re-start the :binary:`~bin.mongod` instance
-     with the :option:`--auth <mongod --auth>` command line option or, if using a
-     configuration file, the :setting:`security.authorization` setting.
-
-action:
-  language: sh
-  code: |
-    mongod --auth --port 27017 --dbpath /var/lib/mongodb
-post: |
+  #. Start the :binary:`~bin.mongod` with access control enabled.
+
+     - If you start the :binary:`~bin.mongod` from the command line, add
+       the :option:`--auth <mongod --auth>` command line option:
+
+       .. code-block:: sh
+
+          mongod --auth --port 27017 --dbpath /var/lib/mongodb
+
+     - If you start the :binary:`~bin.mongod` using a
+       :ref:`configuration file <configuration-options>`, add the
+       :setting:`security.authorization` configuration file setting:
+
+       .. code-block:: sh
+
+          security:
+              authorization: enabled
+
   Clients that connect to this instance must now authenticate
   themselves as a MongoDB user. Clients can only perform actions as
   determined by their assigned roles.