[gedit] hacking: ref to new file docs/gedit-development-getting-started.md

[Sébastien Wilmet <swilmet src gnome org>]

commit 77cc680a0a10cbd89c010697787fcbb559ecb129
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Aug 25 18:53:56 2019 +0200

    hacking: ref to new file docs/gedit-development-getting-started.md
    
    The idea is that more experienced developers can skip
    docs/gedit-development-getting-started.md and just read the HACKING file
    to know how to contribute (for the code conventions etc).

 HACKING | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/HACKING b/HACKING
index 205842137..14bb673eb 100644
--- a/HACKING
+++ b/HACKING
@@ -1,3 +1,9 @@
+How to contribute to gedit
+==========================
+
+See the file `docs/gedit-development-getting-started.md` and the rest of this
+file.
+
 Source code repository
 ======================
 
@@ -182,7 +188,6 @@ Here are some general advices.
 See also
 ========
 
-https://wiki.gnome.org/Apps/Gedit/DevGettingStarted
 https://developer.gnome.org/programming-guidelines/stable/
 https://wiki.gnome.org/Projects/GTK%2B/BestPractices
 http://ometer.com/hacking.html