Add Tiki (Wiki), Add Lifu (File Sharing)

* Add Tiki

* Add Lufi

README.md

@@ -499,6 +499,7 @@ Some [Groupware](#groupware) solutions also feature file sharing and synchroniza
   * [Jirafeau](https://gitlab.com/mojo42/Jirafeau/wikis/home) - Jirafeau is a web site permitting to upload a file in a simple way and give an unique link to it. ([Demo](http://jirafeau.net/))
   * [Jyraphe](http://home.gna.org/jyraphe/) - Jyraphe is a web application of file repository, easy to install and easy to use.
   * [linx](https://github.com/andreimarcu/linx-server) - File sharing application and pastebin with API, auto-expiry, deletion keys, and web seed support. ([Demo](https://linx.li/)) `GPLv3` `Go`
+  * [lufi](https://git.framasoft.org/luc/lufi) - Let's Upload that FIle, client-side encrypted. ([Demo](https://demo.lufi.io), [Source Code](https://git.framasoft.org/luc/lufi/tree/master)) `AGPLv3` `Perl`
   * [lutim](https://github.com/ldidry/lutim) - Let's Upload That Image !
   * [Mediacrush](https://mediacru.sh/) - A website you can upload images, audio, and video to, and receive a link to share it with your friends. ([Source Code](https://github.com/MediaCrush/MediaCrush))
   * [Nimbus](https://github.com/ethanal/nimbus) - A drag-and-drop shortlink file sharer for OS X - `MIT` `Python`
@@ -885,6 +886,7 @@ See also [Documentation Generators](#documentation-generators), [Wikimatrix](htt
   * [Realms](https://github.com/scragg0x/realms-wiki) - A git-backed wiki inspired by Gollum. `Python`
   * [Redaxscript](http://redaxscript.com/) - Ultra lightweight website engine. `GPL` `PHP`
   * [TiddlyWiki](http://tiddlywiki.com/) - A reusable non-linear personal web notebook. ([Source Code](https://github.com/Jermolene/TiddlyWiki5)) `BSD` `Javascript/Nodejs`
+  * [Tiki](https://tiki.org) - Wiki CMS Groupware with the most built-in features. ([Demo](https://tiki.org/Demo), [Source Code](https://sourceforge.net/p/tikiwiki/code/HEAD/tree/)) `LGPLv2.1` `PHP`
   * [WiKiss](http://wikiss.tuxfamily.org/) - A Wiki, simple to use and install. `PHP`
   * [Wikitten](https://github.com/victorstanciu/Wikitten) - Wikitten is a small, fast, PHP wiki, and the perfect place to store your notes, code snippets, ideas, and so on. `PHP`