Improve learning_registry schema-json
Improve learning_registry schema-json

learningtapestry/learningregistry,coffeejunk/CredentialRegistry,CredentialEngine/CredentialRegistry,learningtapestry/learningregistry,coffeejunk/CredentialRegistry,learningtapestry/learningregistry,coffeejunk/CredentialRegistry,CredentialEngine/CredentialRegistry,CredentialEngine/CredentialRegistry