refactor(noctalia): move noctalia configs to modules

modules/nixos/noctalia.nix

@@ -0,0 +1,12 @@
+{ config, lib, pkgs, inputs, ... }:
+{
+  # install noctalia and helper packages
+  environment.systemPackages = with pkgs; [
+    inputs.noctalia.packages.${pkgs.stdenv.hostPlatform.system}.default
+    adw-gtk3
+    adwaita-qt
+    adwaita-qt6
+    brightnessctl
+    playerctl
+  ];
+}