[D9] EditionGuard API

        '#title' => $this->t('OAuth Email'),
        '#description' => $this->t('Your EditionGuard b2b login email. Required to use private endpoints. <a href="https://developers.editionguard.com/authentication#password">Documentation</a>'),
        '#default_value' => $config->get('oauth_email'),

Placeholders should be used also for static URLs. That is what Drupal does for drupal.org links.

Thank you for your contribution! I am going to update your account.

These are some recommended readings to help with excellent maintainership:

• Dries' post on Responsible maintainers
• Best practices for creating and maintaining projects
• Maintaining a drupal.org project with Git
• Commit messages - providing history and credit
• Release naming conventions.
• Helping maintainers in the issue queues

You can find more contributors chatting on the Slack #contribute channel. So, come hang out and stay involved.
Thank you, also, for your patience with the review process.
Anyone is welcome to participate in the review process. Please consider reviewing other projects that are pending review. I encourage you to learn more about that process and join the group of reviewers.