added rygel source code (#1541)

README.md

@@ -820,7 +820,7 @@ See also <https://en.wikipedia.org/wiki/List_of_streaming_media_systems>, <https
 - [Icecast 2](http://www.icecast.org/) - streaming audio/video server which can be used to create an Internet radio station or a privately running jukebox and many things in between. ([Source Code](https://git.xiph.org/?p=icecast-server.git;a=summary), [Clients](http://www.icecast.org/apps/)) `GPL-2.0` `C`
 - [MistServer](http://mistserver.org/) - Streaming media server that works well in any streaming environment. ([Source Code](https://github.com/DDVTECH/mistserver)) `AGPL-3.0` `C++`
 - [ReadyMedia](http://sourceforge.net/projects/minidlna/) - Simple media server software, with the aim of being fully compliant with DLNA/UPnP-AV clients. `GPL-2.0` `C`
-- [Rygel](https://wiki.gnome.org/action/show/Projects/Rygel) - Rygel is a UPnP AV MediaServer that allows you to easily share audio, video, and pictures. Media player software may use Rygel to become a MediaRenderer that may be controlled remotely by a UPnP or DLNA Controller. `GPL-3.0` `C`
+- [Rygel](https://wiki.gnome.org/action/show/Projects/Rygel) - Rygel is a UPnP AV MediaServer that allows you to easily share audio, video, and pictures. Media player software may use Rygel to become a MediaRenderer that may be controlled remotely by a UPnP or DLNA Controller. ([Source Code](https://gitlab.gnome.org/GNOME/rygel/)) `GPL-3.0` `C`
 - [üWave](http://u-wave.net/) `⚠` - üWave is a self-hosted collaborative listening platform. Users take turns playing media—songs, talks, gameplay videos, or anything else—from a variety of media sources like YouTube and SoundCloud. ([Demo](https://wlk.yt/), [Source Code](https://github.com/u-wave)) `MIT` `Nodejs`