Title of the page: suggest the fqdn of the service

• bullet point
• create a page in the docs directory of the repository
• add it to the navigation bar by editing the mkdocs.yaml file at the root of the repository

suggested content and structure of the page

• 1-2 paragraphs summary of the service
• why and when it was decommissioned
• if applicable, a link to a replacment / equivalent / new instance
• if applicable, links to git projects, archives, documentations
• if applicable, contact to person / group likely to provide historical information or access.