[gnome-mines/mcatanzaro/appdata-screenshot] Add appdata screenshot to git

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 454af491b4281e4dee20a3b9ce12a2f19f0a1fea
Author: Michael Catanzaro <mcatanzaro redhat com>
Date:   Fri Mar 11 14:02:59 2022 -0600

    Add appdata screenshot to git
    
    people.gnome.org is shutting down, so it is time to move our appdata
    screenshot to git. Note the screenshot is old and could stand to be
    refreshed.

 data/org.gnome.Mines.appdata.xml.in |   2 +-
 data/screenshot.png                 | Bin 0 -> 33447 bytes
 2 files changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/org.gnome.Mines.appdata.xml.in b/data/org.gnome.Mines.appdata.xml.in
index e5c3de1..6521f33 100644
--- a/data/org.gnome.Mines.appdata.xml.in
+++ b/data/org.gnome.Mines.appdata.xml.in
@@ -22,7 +22,7 @@
   </description>
   <screenshots>
     <screenshot type="default" height="563" width="748">
-      <image>https://people.gnome.org/~mcatanzaro/gnome-mines.png</image>
+      <image>https://gitlab.gnome.org/GNOME/gnome-mines/-/raw/master/data/screenshot.png</image>
     </screenshot>
   </screenshots>
   <url type="homepage">https://wiki.gnome.org/Apps/Mines</url>
diff --git a/data/screenshot.png b/data/screenshot.png
new file mode 100644
index 0000000..66d3669
Binary files /dev/null and b/data/screenshot.png differ