[gnome-chess] Add appdata screenshot to git repo

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 01b54ab3143f8b09d18015ca6c87aff7d312cf62
Author: Michael Catanzaro <mcatanzaro redhat com>
Date:   Wed Mar 9 16:12:00 2022 -0600

    Add appdata screenshot to git repo
    
    people.gnome.org is shutting down

 data/org.gnome.Chess.appdata.xml.in |   2 +-
 data/screenshot.png                 | Bin 0 -> 45353 bytes
 2 files changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/org.gnome.Chess.appdata.xml.in b/data/org.gnome.Chess.appdata.xml.in
index a43b893..0908c60 100644
--- a/data/org.gnome.Chess.appdata.xml.in
+++ b/data/org.gnome.Chess.appdata.xml.in
@@ -19,7 +19,7 @@
   </description>
   <screenshots>
     <screenshot height="484" width="748" type="default">
-      <image>https://people.gnome.org/~mcatanzaro/gnome-chess.png</image>
+      <image>https://gitlab.gnome.org/GNOME/gnome-chess/-/raw/master/data/screenshot.png</image>
     </screenshot>
   </screenshots>
   <url type="homepage">https://wiki.gnome.org/Apps/Chess</url>
diff --git a/data/screenshot.png b/data/screenshot.png
new file mode 100644
index 0000000..2f83dbe
Binary files /dev/null and b/data/screenshot.png differ