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