[tracker/sam/website-rygel-grilo] website: Add Grilo and Rygel as related projects

[Sam Thursfield <sthursfield src gnome org>]

commit 49dbd8ae3cb7dfa2965e8a65289dfb9d126741b3
Author: Sam Thursfield <sam afuera me uk>
Date:   Tue Apr 14 23:30:42 2020 +0200

    website: Add Grilo and Rygel as related projects

 docs/website/overview.md | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/docs/website/overview.md b/docs/website/overview.md
index 391998703..38e6ceb9f 100644
--- a/docs/website/overview.md
+++ b/docs/website/overview.md
@@ -72,6 +72,15 @@ The file chooser dialog supplied by GTK has a search interface. There's
 a [Tracker backend](https://gitlab.gnome.org/GNOME/gtk/blob/master/gtk/gtksearchenginetracker.c)
 for this.
 
+### Media tools
+
+[Grilo](https://wiki.gnome.org/Projects/Grilo) is a library for finding and
+fetching media content from many different sources. It uses Tracker to browse
+and search local media content.
+
+[Rygel](https://wiki.gnome.org/Projects/Rygel) is a home media solution that serves
+content over UPnP. It uses Tracker to find your media files.
+
 ### Sailfish OS
 
 [Sailfish OS](https://sailfishos.org) uses Tracker for [indexing media