Add Hugo to `README.md`

Hugo is a fast, easy to use, and actively maintained Static Site Generator that I use for hosting various sites.

README.md

@@ -133,6 +133,7 @@ See also [Static Site Generators](#static-site-generators), [Content Management
   * [Dotclear](http://dotclear.org/) - Take control over your blog! ([Source Code](https://hg.dotclear.org/dotclear)) `GPLv2` `PHP`
   * [Ghost](https://ghost.org/) - Just a blogging platform. ([Source Code](https://github.com/TryGhost/Ghost)) `MIT` `Nodejs`
   * [htmly](https://www.htmly.com/) - Databaseless Blogging Platform (Flat-File Blog). ([Demo](https://www.htmly.com/demo/), [Source Code](https://github.com/danpros/htmly)) `GPLv2` `PHP`
+  * [Hugo](https://gohugo.io/) - "A Fast & Modern Static Website Engine" ([Source Code](https://github.com/spf13/hugo)) `Apache v2` `Go`
   * [Known](https://withknown.com/) - A single website for all your content. ([Source Code](https://github.com/idno/idno)) `Apache` `PHP`
   * [Noddity](http://noddity.com/) - It's a blog, it's a wiki, it's a fast CMS! ([Source Code](https://github.com/TehShrike/noddity)) `WTFPL` `Nodejs`
   * [PluXml](http://www.pluxml.org/) - XML-based blog/CMS platform. ([Source Code](https://github.com/pluxml/PluXml)) `GPL` `PHP`