code: func (c Config) GetGlobal(option GlobalOption) (string, error) {
  	if globals, ok := c[Globals]; ok {
  		if settings, ok := globals.(map[GlobalOption]string); ok {
  			if value, ok := settings[option]; ok {
  				return value, nil
  			}
  			return "", fmt.Errorf("global setting for %s not found", option)
  		}
  	}
  	return "", fmt.Errorf("no global config options found")
  
  }
docs: // GetGlobal returns value associated with global configuration option