code: func (e *ApiClientService) Create(clientName string, admin bool) (data *ApiClientCreateResult, err error) {
  	post := ApiNewClient{
  		Name:  clientName,
  		Admin: admin,
  	}
  	body, err := JSONReader(post)
  	if err != nil {
  		return
  	}
  
  	err = e.client.magicRequestDecoder("POST", "clients", body, &data)
  	return
  }
docs: // Create makes a Client on the chef server
  //
  // Chef API docs: https://docs.chef.io/api_chef_server.html#clients