Modularize hardware config and remove specific nix folder

modules/programs/kde_connect.nix

@@ -0,0 +1,30 @@
+{ lib, config, options, pkgs, ... }: {
+
+  options.mods = {
+    kde_connect.enable = lib.mkOption {
+      default = false;
+      type = lib.types.bool;
+      example = true;
+      description = ''
+        Enables kde_connect.
+      '';
+    };
+  };
+
+  config = lib.mkIf config.mods.kde_connect.enable
+    (lib.optionalAttrs (options?networking.firewall)
+      {
+        networking.firewall = {
+          allowedTCPPortRanges = [
+            { from = 1714; to = 1764; } # KDE Connect
+          ];
+          allowedUDPPortRanges = [
+            { from = 1714; to = 1764; } # KDE Connect
+          ];
+        };
+      } // lib.optionalAttrs (options?home.packages) {
+      home.packages = with pkgs; [
+        kdeconnect
+      ];
+    });
+}