SCIM groups

GET /scim/v2/Groups

{
  "schemas": ["urn:ietf:params:scim:api:messages:2.0:ListResponse"],
  "totalResults": 1,
  "Resources": [
    {
      "id": "grp_1234567890",
      "displayName": "Engineering",
      "members": [
        {
          "value": "usr_1234567890",
          "$ref": "/scim/v2/Users/usr_1234567890"
        }
      ]
    }
  ]
}

POST /scim/v2/Groups

{
  "schemas": ["urn:ietf:params:scim:schemas:core:2.0:Group"],
  "displayName": "Engineering",
  "members": []
}

PATCH /scim/v2/Groups/{groupId}

DELETE /scim/v2/Groups/{groupId}