code: func ConvertToURLValues(data map[string]string) string {
  	v := url.Values{}
  
  	for key, val := range data {
  		v.Set(key, val)
  	}
  
  	return v.Encode()
  }
docs: // ConvertToURLValues will convert a map to a url.Values instance. We're
  // taking a map[string]string instead of something more type specific since
  // the url.Values instance only takes strings to create the URL values.