code: func NewDefaultDiskStorer(tmpSubFolder string) (*DiskStorer, error) {
  	folderPath := path.Join(os.TempDir(), tmpSubFolder)
  	return NewDiskStorer(folderPath, time.Hour*24*2, time.Hour)
  }
docs: // NewDefaultDiskStorer returns a DiskStorer object with default values.
  // The default values are:
  // FolderPath: system tmp dir + random folder
  // maxAge: 2 days (clear session stored on server after 2 days)
  // cleanInterval: 1 hour (delete sessions older than maxAge every 1 hour)