adding niri to desktop. some tidying.

modules/hosts/desktop/configuration.nix

@@ -27,13 +27,22 @@ flake.nixosModules.lily-desktop = { pkgs, ... }:{
   # Enable touchpad support (enabled default in most desktopManager).
   # services.libinput.enable = true;
 
-	programs.firefox.enable = true;
+	programs = {
+		firefox.enable = true;
+		niri = {
+			enable = true;
+			package = self.packages.${pkgs.stdenv.hostPlatform.system}.niri;
+		};
+	};
+
 	nixpkgs.config.allowUnfree = true;
 
   # List packages installed in system profile.
   # You can use https://search.nixos.org/ to find more packages (and options).
    environment.systemPackages = with pkgs; [
 	tree
+	noctalia-shell
+	quickshell
 	git
 	vim
 	wget