simple_password_reveal.routing.yml

simple_password_reveal.admin_settings_form:
  path: '/admin/config/people/hide-reveal-passwords'
  defaults:
    _form: '\Drupal\simple_password_reveal\Form\SimplePasswordRevealForm'
    _title: 'Hide / reveal passwords'
  requirements:
    _permission: 'access administration pages'
  options:
    _admin_route: TRUE