refactored to make wpaperd a seperate feature, renamed hyprland feature

modules/features/wpaperd/default.nix

@@ -0,0 +1,35 @@
+{
+  moduleWithSystem,
+  inputs,
+  ...
+}: {
+  flake.nixosModules.wpaperd = moduleWithSystem ({self', ...}: {
+    environment.systemPackages = with self'.packages; [
+      wpaperd
+    ];
+  });
+  perSystem = {pkgs, ...}: {
+    packages.wpaperd = let
+      config-file = builtins.toFile "config.toml" ''
+        [any]
+        path = "${./wallpapers}"
+
+        [HDMI-A-1]
+        path = "${./wallpapers/topo1.png}"
+
+        [DP-1]
+        path = "${./wallpapers/topo2.png}"
+
+        [DP-2]
+        path = "${./wallpapers/topo3.png}"
+      '';
+    in
+      inputs.wrappers.lib.wrapPackage ({...}: {
+        inherit pkgs;
+        package = pkgs.wpaperd;
+        flags = {
+          "--config" = config-file;
+        };
+      });
+  };
+}