Implement support the JSON Schema editor / tester

[bmuenzenmeyer]

This should only occur after definition and voting over at https://github.com/pattern-lab/the-spec

[sghoweri]

@bmuenzenmeyer make sure you chat with @EvanLovely about his one... :-D

[bmuenzenmeyer]

definitely. is this live in any of your drupal codebase yet?

my hope was always to tackle this as part of our mid-term roadmap https://github.com/orgs/pattern-lab/projects/1

labeling this "spec writeup needed" as we need to formalize this behavior

[EvanLovely]

not live, but lots is being experimented with this