begin migration to dendritic pattern

old-config/modules/display-managers/sddm.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  services.displayManager = {
+    autoLogin = {
+      enable = true;
+      user = "grey";
+    };
+
+    sddm = {
+      enable = true;
+      wayland.enable = true;
+      enableHidpi = true;
+      autoNumlock = true;
+      
+      autoLogin.relogin = true;
+    };
+  };
+}