Bindings support for AsyncAPI

AsyncAPI users, you’ll be happy to know that Bump now supports bindings.

As AsyncAPI allows many protocols, which is really nice, bindings are a useful and necessary mechanism to define protocol-specific information. Bump now displays protocol information defined at server, operation, and message levels, as part of an ongoing work for a better understanding of API documentations.

Here’s an example: https://bump.sh/hub/examples/doc/asyncapi-user-signup#protocol-information