New contribution: Telegram Bot API for Mongoose OS

Hello community!

I would like to contribute a new library: Telegram Bot API for Mongoose OS

Overview: The library represent a simple Telegram Bot API for Mongoose OS. The library will be useful for applications where you have to control and manage IOT devices by exchanging messages through the Telegram. Full documentation provided in readme file. The library successfully tested on ESP8266/ESP32.

Link: https://github.com/kotelnikov/mgos_telegram

Any feedback and suggestions are welcomed!

Very cool. Thanks for sharing.

My only feedback is that you should put the gif at the start of the README, I nearly missed it!