Changes to Create group

the request property description became not nullable

the request property member_groups became not nullable

the request property member_users became not nullable

the request property org_name became not nullable

request body became required

the name request property's minLength was increased from 0 to 1

the response's body became nullable

the response's body became nullable

the response's body became nullable

the response's body became nullable

the response's body became nullable

request body became optional

endpoint added