[gnome-klotski/mcatanzaro/appdata-screenshot] Add appdata screenshot to git repo

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 6798dfddb5a2ffca44012377b48eb38c38c299bf
Author: Michael Catanzaro <mcatanzaro redhat com>
Date:   Thu Mar 10 17:44:36 2022 -0600

    Add appdata screenshot to git repo
    
    people.gnome.org is shutting down, so it's time to move the screenshot
    to git.
    
    Note: this screenshot is old and definitely wants to be updated, but
    that is a problem for another day.

 data/org.gnome.Klotski.appdata.xml.in |   2 +-
 data/screenshot.png                   | Bin 0 -> 19851 bytes
 2 files changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/org.gnome.Klotski.appdata.xml.in b/data/org.gnome.Klotski.appdata.xml.in
index 6b17578..cb36028 100644
--- a/data/org.gnome.Klotski.appdata.xml.in
+++ b/data/org.gnome.Klotski.appdata.xml.in
@@ -21,7 +21,7 @@
   </description>
   <screenshots>
     <screenshot height="398" width="748" type="default">
-      <image>https://people.gnome.org/~mcatanzaro/gnome-klotski.png</image>
+      <image>https://gitlab.gnome.org/GNOME/gnome-klotski/-/raw/master/data/screenshot.png</image>
     </screenshot>
   </screenshots>
   <url type="homepage">https://wiki.gnome.org/Apps/Klotski</url>
diff --git a/data/screenshot.png b/data/screenshot.png
new file mode 100644
index 0000000..f298f9b
Binary files /dev/null and b/data/screenshot.png differ