small thunar and greetd changes and some refactoring

modules/home/programs/thunar/default.nix

@@ -0,0 +1,26 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.home.programs.thunar;
+in {
+  options = {
+    home.programs.thunar.enable = mkEnableOption "Enables thunar file manager";
+  };
+  config = mkIf cfg.enable {
+    programs.thunar = {
+      enable = true;
+      plugins = with pkgs.xfce; [
+        thunar-archive-plugin
+        thunar-volman
+      ];
+    };
+    programs.xfconf.enable = true;
+    services.tumbler.enable = true;
+
+    environment.systemPackages = [pkgs.file-roller];
+  };
+}