code: func (api *Client) CreateGroupContext(ctx context.Context, group string) (*Group, error) {
  	values := url.Values{
  		"token": {api.token},
  		"name":  {group},
  	}
  
  	response, err := api.groupRequest(ctx, "groups.create", values)
  	if err != nil {
  		return nil, err
  	}
  	return &response.Group, nil
  }
docs: // CreateGroupContext creates a private group