Update 00_setup_guide.md
Update 00_setup_guide.md
CredentialEngine/CredentialRegistry,coffeejunk/CredentialRegistry,learningtapestry/learningregistry,learningtapestry/learningregistry,CredentialEngine/CredentialRegistry,CredentialEngine/CredentialRegistry,learningtapestry/learningregistry,coffeejunk/CredentialRegistry,coffeejunk/CredentialRegistry