Changes to Create Space

the anyOf[subschema #2: CreateProjectRequest]/template_id request property format changed from no format to uuid

added the new optional request property anyOf[subschema #1: CreateAccountRequest]/custom_fields

added the new optional request property anyOf[subschema #1: CreateAccountRequest]/template_id

added the new optional request property anyOf[subschema #2: CreateProjectRequest]/custom_fields

removed the personal enum value from the type response property for the response status 200