Including security review as a submodule - with patched for Yaffs.

[yaffs-website] / web / modules / contrib / environment_indicator / environment_indicator.links.menu.yml

environment_indicator.settings:
  title: 'Environment Indicator Settings'
  parent: system.admin_config_development
  description: 'Settings to configure the environment indicators.'
  route_name: environment_indicator.settings