Feature: support envelope debezium

[sjwiesman]

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

It could be powerful to support outputting data in a debezium format. While semantically, it is not any different, users may want to see data in the format they’ll have in production

[chuck-alt-delete]

@josharenberg is working on a debezium example! Agree this would be a good one to have in the examples folder