[wpaperd] Update deprecated settings

home-manager/features/wallpaper.nix

@@ -5,12 +5,18 @@ monitors:
     "wpaperd"
   ];
 
-  programs.wpaperd = {
+  services.wpaperd = {
     enable = true;
-    settings = builtins.listToAttrs (map (mon: {
+    settings =
+      builtins.listToAttrs (
+        map (mon: {
           name = mon;
-      value = { path = "~/Pictures/Wallpaper/${mon}"; };
+          value = {
-    }) monitors) // {
+            path = "~/Pictures/Wallpaper/${mon}";
+          };
+        }) monitors
+      )
+      // {
         default = {
           duration = "1h";
           mode = "center";