feat: sddm module

computers/shared/default.nix

@@ -1,5 +1,6 @@
 {...}: {
   imports = [
     ./fish.nix
+    ./sddm.nix
   ];
 }

computers/shared/sddm.nix

@@ -0,0 +1,25 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  cfg = config.alqueva.sddm;
+in {
+  options.alqueva.sddm = {
+    enable = lib.mkEnableOption "sddm";
+  };
+  config = lib.mkIf cfg.enable {
+    services.displayManager.sddm = {
+      wayland = {
+        enable = true;
+        compositor = "kwin";
+      };
+      enable = true;
+      theme = "where_is_my_sddm_theme";
+    };
+    environment.systemPackages = [
+      pkgs.i-found-my-sddm-theme
+    ];
+  };
+}