code: func FindFiles(configDir, pattern string) ([]string, error) {
  	var foundFiles = make([]string, 0)
  	err := filepath.Walk(configDir,
  		func(path string, info os.FileInfo, e error) error {
  			if strings.Contains(path, pattern) {
  				foundFiles = append(foundFiles, path)
  			}
  			return e
  		})
  	return foundFiles, err
  }
docs: //FindFiles -