* add username customization for rabbitmq
* add changelog for rabbitmq
* Update builtin/logical/rabbitmq/path_config_connection.go
Co-authored-by: Tom Proctor <tomhjp@users.noreply.github.com>
* updating API docs
* moved to changelog folder
Co-authored-by: Tom Proctor <tomhjp@users.noreply.github.com>
