User Story: Proxy has Documentation

[samsp-msft]

This is a collective tracking of what is needed for documentation.

• How to customize YARP with pipleine modules Proxy can be customized with middleware to enable advanced scenarios #114
• Authentication Documentation for swapping authentication types #416
• Configuring https Docs for HTTPS scenarios #305
• configuration Doc server configurations #183
• migration Write migration docs #495

[karelz]

1.0 shipped with docs, this is done.