Initial.

display-manager.nix

@@ -0,0 +1,19 @@
+{ config, ... }:
+
+{
+  services.displayManager.ly = {
+    enable = true;
+    settings = {
+      bg = "0x00000000";
+      border_fg = "0x00332215";
+      box_title = "It booted, of course.";
+      animate = true;
+      animation = "doom";
+      doom_fire_height= "5";
+      doom_fire_spread = "1";
+      doom_top_color = "0x00332215";
+      doom_middle_color = "0x00948371";
+      doom_bottom_color = "0x00FFFFFF";
+    };
+  };
+}