[gnome-devel-docs/wip/platform-overview-modernization] Add missing links for GTK+

[Alexandre Franke <afranke src gnome org>]

commit 42a44ebece4e7616bb275897fef6eb2645686cd6
Author: Alexandre Franke <afranke collabora co uk>
Date:   Wed Feb 24 10:50:41 2016 +0100

    Add missing links for GTK+

 platform-overview/C/tech-gtk.page |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/platform-overview/C/tech-gtk.page b/platform-overview/C/tech-gtk.page
index 1f2c62a..23f39f4 100644
--- a/platform-overview/C/tech-gtk.page
+++ b/platform-overview/C/tech-gtk.page
@@ -51,5 +51,9 @@ accessibility interfaces, keyboard navigation, and automatic sizing.</p>
   <item><p><link href="http://developer.gnome.org/gnome-devel-demos/stable/";>GTK+ demo 
tutorial</link></p></item>
   <item><p><link href="http://developer.gnome.org/gtk3/stable/";>GTK+ Reference Manual</link></p></item>
   <item><p><link href="http://gtk.org/";>The GTK+ web site</link></p></item>
+  <item><p><link href="https://git.gnome.org/browse/gtk+/";>The GTK+ git repository</link></p></item>
+  <item><p><link href="https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list";>Mailing list for 
application developers using GTK+</link></p></item>
+  <item><p><link href="https://mail.gnome.org/mailman/listinfo/gtk-list";>Mailing list for general discussion 
of GTK+</link></p></item>
+  <item><p><link href="https://mail.gnome.org/mailman/listinfo/gtk-devel-list";>Mailing list for discussion 
of the development of GTK+</link></p></item>
 </list>
 </page>