Add telegram bot api

Created by: barsovichok

Telegram Bot API is one of most useful apis for builnding chatbots It's easy to start develope bots on Telegram with this library.

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Anyone who agrees with this pull request could vote for it by adding a to it, and usually, the maintainer will merge it when votes reach 20.

README.md

@@ -1158,6 +1158,8 @@ Inspired by [awesome-php](https://github.com/ziadoz/awesome-php).
 * [google-api-python-client](https://github.com/google/google-api-python-client) - Google APIs Client Library for Python.
 * [gspread](https://github.com/burnash/gspread) - Google Spreadsheets Python API.
 * [twython](https://github.com/ryanmcgrath/twython) - A Python wrapper for the Twitter API.
+* [telegram bot api](https://github.com/python-telegram-bot/python-telegram-bot) - API for building bots on Telegram.
+
 
 ## URL Manipulation