added Demo link for GIST

README.md

@@ -997,7 +997,7 @@ See https://github.com/n1trux/awesome-sysadmin#monitoring and https://github.com
 - [CryptPad](https://cryptpad.fr/) - CryptPad is the zero knowledge realtime collaborative editor. ([Source Code](https://github.com/xwiki-labs/cryptpad)) `AGPL-3.0` `Nodejs`
 - [EdPaste](https://github.com/Edraens/EdPaste) - Self-hosted pastebin written in Laravel (PHP Framework). `MIT` `PHP`
 - [fiche](https://github.com/solusipse/fiche) - Command line pastebin, all you need is netcat. ([Demo](http://termbin.com/)) `MIT` `C`
-- [gist](https://gitnet.fr/deblan/gist) - GIST is an open-source application to share code. `GPL-3.0` `PHP`
+- [GIST](https://gitnet.fr/deblan/gist) - GIST is an open-source application to share code. ([Demo](https://gist.deblan.org/)) `GPL-3.0` `PHP`
 - [hastebin](http://hastebin.com/about.md) - Open source pastebin written in node.js. ([Demo](http://hastebin.com/), [Source Code](https://github.com/seejohnrun/haste-server)) `MIT` `Nodejs`
 - [localpaste](https://github.com/petermaloney/localpaste) - Simple python based pastebin you can run locally, with curl for input. Supports RAW text by default and binary data such as images (no extensions on returned url). `GPL-2.0` `Python`
 - [Modern Paste](https://www.modernpaste.com) - Modern pastebin with a contemporary, minimalistic user interface backed by a robust feature set. ([Demo](https://demo.modernpaste.com/), [Source Code](https://github.com/LINKIWI/modern-paste)) `MIT` `Python`