Added Link shortener bot (#1191)

README.md

@@ -1183,6 +1183,7 @@ See https://staticsitegenerators.net and https://www.staticgen.com
 
 **[`^        back to top        ^`](#)**
 
+  * [Link-shortener-bot](https://github.com/tommyku/link-shortener-front-end) `⚠` - URL shortener using a Telegram Bot. ([Demo](http://t.me/GiveMeShortLinkBot)) `MIT` `ruby`
   * [Linkr](https://linkrapp.com) - Beautiful, fast URL shortening. ([Demo](https://demo.linkrapp.com), [Source Code](https://github.com/LINKIWI/linkr)) `MIT` `Python/Nodejs`
   * [Lstu](https://github.com/ldidry/lstu) - _Let's SHorten That Url_ - Lightweight URL shortener. `WTFPL` `Perl`
   * [Nimbus](https://github.com/ethanal/nimbus) - A URL shortener and file sharer with a drag-and-drop OS X menu bar client and web interface. `MIT` `Python`