[gnome-control-center/gbsneto/background: 1/6] flatpak: Add gnome-backgrounds

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit c2e308bba7ead7c1d50129d71e3d6a59b00b3cb7
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue May 21 20:00:31 2019 -0300

    flatpak: Add gnome-backgrounds
    
    So we can at least see some wallpapers around.

 build-aux/flatpak/org.gnome.Settings.json | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/build-aux/flatpak/org.gnome.Settings.json b/build-aux/flatpak/org.gnome.Settings.json
index 3c3166bd7..1cb3ee783 100644
--- a/build-aux/flatpak/org.gnome.Settings.json
+++ b/build-aux/flatpak/org.gnome.Settings.json
@@ -688,6 +688,16 @@
                 }
             ]
         },
+        {
+            "name" : "gnome-backgrounds",
+            "buildsystem" : "meson",
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/GNOME/gnome-backgrounds.git";
+                }
+            ]
+        },
         {
             "name" : "gnome-control-center",
             "buildsystem" : "meson",