[gimp-web/testing] Add GIMP GUI mailing list archive at Gmane.

[Sven Claussner <sclaussner src gnome org>]

commit 84e5fe0f458dcff334e47798cf48f7d681e5a830
Author: Sven Claussner <scl gimp org>
Date:   Mon Apr 4 04:09:58 2016 +0000

    Add GIMP GUI mailing list archive at Gmane.

 content/about/mail_lists.md |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/content/about/mail_lists.md b/content/about/mail_lists.md
index a9c263a..6ab73fc 100644
--- a/content/about/mail_lists.md
+++ b/content/about/mail_lists.md
@@ -51,6 +51,7 @@ If you want to discuss features, tips, tricks or contribute to the development o
   Archives:
   <a href="https://mail.gnome.org/archives/gimp-gui-list/";>GNOME</a>,
   <a href="http://www.mail-archive.com/gimp-gui-list%40gnome.org/";>mail-archive</a>,
+  <a href="http://news.gmane.org/gmane.comp.video.gimp.gui/";>Gmane</a><br>
   </dd>
 
   <dt><a href="https://mail.gnome.org/mailman/listinfo/gimp-web-list";>GIMP Web</a></dt>