code: func UseFileNameAsKeyContentAsValue(p string, content []byte) (map[string]interface{}, error) {
  	_, filename := filepath.Split(p)
  	configMap := make(map[string]interface{})
  	configMap[filename] = content
  	return configMap, nil
  }
docs: //UseFileNameAsKeyContentAsValue is a FileHandler, it sets the yaml file name as key and the content as value