Document OAuth 2.0-related configuration settings for every supported identity provider

[MarcialRosales]

Is your feature request related to a problem? Please describe.

At present, RabbitMQ docs has an example section where it demonstrates how to connect to various oauth providers. This is useful however it does not clearly communicate what settings are required instead the user has to infer them by looking at the examples.

Describe the solution you'd like

Besides having an example which is quite useful there should be a section in the docs explaining exactly which settings are required to connect to each oauth provider. This section should be revisited whenever a new oauth provider's is either added or when an existing oauth provider modifies its oauth api requiring new settings, or deprecating older ones.

Describe alternatives you've considered

No response

Additional context

No response