code: func (c *Client) OrganizationAppCreate(options *OrganizationAppCreateOpts, message string) (*OrganizationApp, error) {
  	rh := RequestHeaders{CommitMessage: message}
  	var organizationAppRes OrganizationApp
  	return &organizationAppRes, c.PostWithHeaders(&organizationAppRes, "/organizations/apps", options, rh.Headers())
  }
docs: // Create a new app in the specified organization, in the default organization
  // if unspecified,  or in personal account, if default organization is not set.
  //
  // options is the struct of optional parameters for this action.