This module has been included with Drupal 8 core. Refer to this issue for more information.

That information is shown in the blue box on the page that you linked to.

Andd the page that it links to also has information on how to configure this in D8.

This module has been included with Drupal 8 core. Refer to this issue for more information.

That information is shown in the blue box on the page that you linked to.

The linked page has also information on how to configure this in Drupal 8.