code: func (b *Btelegram) handleGroups(rmsg *config.Message, message *tgbotapi.Message, update tgbotapi.Update) *tgbotapi.Message {
  	return b.handleUpdate(rmsg, message, update.Message, update.EditedMessage)
  }
docs: // handleGroups checks if it's a group message and if the message is a new or edited messages