[pygobject] Added StackOverflow (with PyGObject tag) as an contact resource

[Christoph Reiter <creiter src gnome org>]

commit 9aecb2d5171122da2ae78cbe9672d999ea90c2b0
Author: buhtz <c buhtz posteo jp>
Date:   Wed Apr 18 10:47:08 2018 +0000

    Added StackOverflow (with PyGObject tag) as an contact resource

 docs/contact.rst | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/docs/contact.rst b/docs/contact.rst
index 82b97db4..211de81d 100644
--- a/docs/contact.rst
+++ b/docs/contact.rst
@@ -17,5 +17,10 @@ Mailing List
     of the GNOME project use the mailing list at
     https://mail.gnome.org/mailman/listinfo/python-hackers-list.
 
+StackOverflow / StackExchange
+    If you have technical questions about PyGObject you can find answers on
+    `Stack Overflow <https://stackoverflow.com/questions/tagged/pygobject>`__.
+    When asking there please use the tag `PyGObject`.
+
 If you are unsure which communication channel to use **please use the issue
 tracker**.