[gedit] contributing: add section for contributions other than sw development

[Sébastien Wilmet <swilmet src gnome org>]

commit 6b30ec31bca032940a9b55aa20f942300871a562
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Aug 26 10:34:59 2019 +0200

    contributing: add section for contributions other than sw development

 CONTRIBUTING | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/CONTRIBUTING b/CONTRIBUTING
index bc681dd24..5e65b8360 100644
--- a/CONTRIBUTING
+++ b/CONTRIBUTING
@@ -9,6 +9,17 @@ developers on IRC and/or send a message to the gedit mailing list and offer your
 help. See the “Getting in Touch” section on the
 [gedit wiki page](https://wiki.gnome.org/Apps/Gedit).
 
+Contributions other than software development
+---------------------------------------------
+
+See the [GNOME wiki](https://wiki.gnome.org/).
+
+Doing *bug triaging* on the bug tracker is a very useful task for gedit, because
+gedit is used by many people and there are therefore lots of bug reports or
+feature requests. The gedit developers often have difficulties to triage all the
+bugs and do first line support. Having a curated list of important bugs to fix
+would tremendously help the gedit developers.
+
 Getting started with gedit software development
 -----------------------------------------------