Consider: Add flag for enabling auto-indexing of supported endpoints

[atc0005]

The atc0005/bounce application does this, but it's intended to show/display as much useful information as possible. It's goal isn't in any way tied to security, whereas this application is probably better off defaulting to only displaying via web interface what is required for its operation. All other information should go to log files or be sent via one or more notifications (e.g., email, Teams).

That said, some sites may want an auto-generated index of available endpoints with a summary of each. This could be useful for initial implementation/testing and then later disabled before going into production use.

If this is eventually implemented, it should default to "off" and require that the user explicitly enable it.