kjv: add cafkafk as maintainer

pkgs/applications/misc/kjv/default.nix

···
     description = "The Bible, King James Version";
     homepage = "https://github.com/bontibon/kjv";
     license = licenses.unlicense;
-    maintainers = with maintainers; [ jtobin ];
+    maintainers = with maintainers; [ jtobin cafkafk ];
     mainProgram = "kjv";
   };
 }