Changes to 그룹 이름 중복 확인

the query request parameter name became required

deleted the header request parameter X-User-Id

the endpoint scheme security bearerAuth was added to the API

api tag 그룹 added

api tag 그룹 (mock) removed

added the new required header request parameter X-User-Id

deleted the query request parameter userId

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 500

the response property available became required for the status 200

the response property name became required for the status 200

endpoint added