Telegram bot webhook設定

取得webhook資料

https://api.telegram.org/bot{bot_token}/getWebhookInfo

設定webhook

https://api.telegram.org/bot{bot_token}/setWebhook?url={webhook_end_point}

如設定webhook為空，則刪除webhook

https://api.telegram.org/bot{bot_token}/setWebhook?url=