develop
Integration of all external packages into MassTransit, split out into Abstractions, Middleware, and the core MassTransit assembly.
Add ability to exclude components from ConfigureEndpoints
feat: add MessageUrnAttribute to support customization of message urn resolution
Changed endpoint client factory to avoid Task return value, added support for RabbitMQ direct REPLY-TO request client using SetRabbitMqReplyToRequestClientFactory