add support for hyprpaper for randomWallpaper script

modules/config/bin/randomWallpaper.nix

@@ -2,10 +2,16 @@
 pkgs.writeShellApplication {
   name = "randomWallpaper";
 
-  runtimeInputs = with pkgs; [ findutils coreutils feh ];
+  runtimeInputs = with pkgs; [ findutils coreutils feh hyprland jq ];
 
   text = ''
     wallpaper="$(find ~/.config/wallpapers/ -type f,l | shuf -n 1)"
-    feh --bg-fill "$wallpaper"
+    if [ -z ''${WAYLAND_DISPLAY+x} ]; then
+      feh --bg-fill "$wallpaper"
+    else
+      hyprctl hyprpaper preload "$wallpaper"
+      hyprctl monitors -j | jq '.[].name' | xargs -I{} hyprctl hyprpaper wallpaper '{}',"$wallpaper"
+      hyprctl hyprpaper unload all
+    fi
   '';
 }

modules/programs/hyprland/config.nix

@@ -198,4 +198,5 @@ in
   bindm = $mainMod, mouse:273, resizewindow
 
   exec-once=synology-drive
+  exec-once=randomWallpaper
 ''