[HttpGet("Test")]
public async Task<string> Test() {
var botClient = new TelegramBotClient("前置作業給的機器人ID");
//取得機器人基本資訊
var me = await botClient.GetMeAsync();
//發送訊息到指定頻道
Message message = await botClient.SendTextMessageAsync(
chatId: "前置作業給的頻道ID",
text: "Trying *all the parameters* of `sendMessage` method");
//回傳取得的機器人基本資訊
return $"Hello, World! I am user {me.Id} and my name is {me.FirstName}.";
}