add Telegram Github + AppStore info

README.md

@@ -593,7 +593,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Slack](https://slack.com/downloads/mac) - Awesome tool for team collaboration and communication. ![Freeware][Freeware Icon]
 * [Stack](https://getstack.app/) - Open, organize and use multiple web apps on a single screen. Stack your apps by categories or projects.
 * [Teambition](https://www.teambition.com) - Team collaboration tool, including many features like task plan, schedule, file sharing, instant discussion and everything you need when collaborating with other team members. ![Freeware][Freeware Icon]
-* [Telegram](https://desktop.telegram.org) - Messaging app with a focus on speed and security.
+* [Telegram](https://desktop.telegram.org) - Messaging app with a focus on speed and security. [![Open-Source Software][OSS Icon]](https://github.com/overtake/TelegramSwift) [![App Store][app-store Icon]](https://itunes.apple.com/us/app/telegram/id747648890?mt=12)
 * [Textual](https://www.codeux.com/textual) - Internet Relay Chat (IRC) client. [![Open-Source Software][OSS Icon]](https://github.com/Codeux-Software/Textual)
 * [WeChat](https://itunes.apple.com/app/wechat/id836500024?mt=12) - Official WeChat app for Mac. ![Freeware][Freeware Icon] ![App Store][app-store Icon]
 * [WeeChat](https://weechat.org/) - The extensible command-line chat client. ![Freeware][Freeware Icon]