ppf-1.2.x-dev/ppf.links.menu.yml

# Provide menu link for the Preprocessor Files configuration form.
system.admin_config_development.ppf:
  title: 'Preprocessor Files'
  description: 'Configure the Preprocessor Files module.'
  route_name: ppf.settings
  parent: 'system.admin_config_development'
  menu_name: ppf