Added ly as displaymanager

modules/default.nix

@@ -17,9 +17,9 @@ with lib;
     ./brightnessctl/default.nix
     ./fontconfig/default.nix
     ./graphics/default.nix
-    ./greeter/gdm/default.nix
     ./greeter/greetd/default.nix
     ./greeter/greetd/tuigreet.nix
+    ./greeter/ly/default.nix
     ./locale/default.nix
     ./neovim/default.nix
     ./networkmanager/default.nix

modules/greeter/ly/default.nix

@@ -7,11 +7,11 @@
 
 with lib;
 let
-  cfg = config.modules.gdm;
+  cfg = config.modules.ly;
 in
 {
-  options.modules.gdm = {
-    enable = mkEnableOption "gdm";
+  options.modules.ly = {
+    enable = mkEnableOption "ly";
   };
 
   config = mkIf cfg.enable {