Updated Home (markdown)

Author: Thibaut

Home.md

@@ -9,6 +9,7 @@
 * [Chrome web app](https://chrome.google.com/webstore/detail/devdocs/mnfehgbmkapmjnhcnbodoamcioleeooe)
 * [Firefox web app](https://marketplace.firefox.com/app/devdocs/)
 * [Sublime Text plugin](https://sublime.wbond.net/packages/DevDocs)
+* [Atom plugin](https://atom.io/packages/devdocs)
 * [Brackets extension](https://github.com/gruehle/dev-docs-viewer)
 * [Fluid](http://fluidapp.com) for turning DevDocs into a real OS X app
 * [GTK shell / Vim integration](https://github.com/naquad/devdocs-shell)