initial config commit

modules/nixos/features/plasma.nix

@@ -0,0 +1,19 @@
+{ config, lib, ... }:
+let
+  feature = "plasma";
+in
+{
+  config = lib.mkIf config.${feature}.enable {
+    services = {
+      desktopManager.plasma6.enable = true;
+      displayManager.sddm = {
+        enable = true;
+        wayland.enable = true;
+      };
+    };
+  };
+
+  imports = [ ];
+
+  options.${feature}.enable = lib.mkEnableOption "enables ${feature}";
+}