project_wiki-1.x-dev/modules/project_wiki_markdown_content/project_wiki_markdown_content.routing.yml

project_wiki_markdown_content.settings:
  path: '/admin/structure/project_wiki/project_wiki_markdown_content_settings'
  defaults:
    _title: 'Project Wiki Markdown Content Settings'
    _form: 'Drupal\project_wiki_markdown_content\Form\SettingsForm'
  requirements:
    _permission: 'administer project_wiki_markdown_content configuration'