[tracker/sam/website] website: GTK+ can also use Tracker

[Sam Thursfield <sthursfield src gnome org>]

commit 958986c994b42254bb12c3191994d199e8b27210
Author: Sam Thursfield <sam afuera me uk>
Date:   Sun Dec 29 16:57:30 2019 +0000

    website: GTK+ can also use Tracker

 docs/website/overview.md | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/docs/website/overview.md b/docs/website/overview.md
index efcd1ed0d..391998703 100644
--- a/docs/website/overview.md
+++ b/docs/website/overview.md
@@ -66,6 +66,12 @@ Although Tracker is able to store contacts and calendar entries,
 GNOME uses [Evolution Data Server](https://developer.gnome.org/platform-overview/stable/tech-eds.html)
 for this.
 
+### GTK
+
+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.
+
 ### Sailfish OS
 
 [Sailfish OS](https://sailfishos.org) uses Tracker for [indexing media