[libgnome-keyring: 1/2] README: Add deprecation notice and link to libsecret

[Stef Walter <stefw src gnome org>]

commit 289b490a706e892a84e7ad82d496803c1de93727
Author: Peter Keresztes Schmidt <carbenium outlook com>
Date:   Mon Aug 5 01:04:16 2019 +0000

    README: Add deprecation notice and link to libsecret

 README | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/README b/README
index 0cc4d9f..43c28a0 100644
--- a/README
+++ b/README
@@ -1,3 +1,6 @@
 gnome-keyring is a program that keep password and other secrets for
 users. The library libgnome-keyring is used by applications to integrate
 with the gnome keyring system.
+
+This project is deprecated and has been superseded by 
+libsecret (https://gitlab.gnome.org/GNOME/libsecret).
\ No newline at end of file