overhauled old theme

_src/data/art/artwork/sunny headpat.md

@@ -4,6 +4,7 @@ images:
     alt: Half-length portrait of Sundae getting a head pat from a disembodied white hand.
     date: 2021-11-18
     pixel: true
+programs:
+  - name: MS Paint
+    src: https://www.microsoft.com/en-us/windows/paint
 ---
-
-Done in Microsoft Paint.