pinwheel: Add enable option to swaylock module

hosts/pinwheel/configuration.nix

@@ -78,6 +78,7 @@
     nix-index.enable = true;
     greetd.enable = true;
     hyprland.enable = true;
+    swaylock.enable = true;
     git.enable = true;
     openvpn.enable = true;
     go.enable = true;

hosts/pinwheel/modules/swaylock/default.nix

@@ -1,8 +1,16 @@
 { pkgs, lib, config, ... }:
 let
+  enabled = config.mod.swaylock.enable;
   hyprlandEnabled = config.mod.hyprland.enable;
 in
 {
+  options = {
+    mod.swaylock = {
+      enable = lib.mkEnableOption "enable swaylock module";
+    };
+  };
+
+  config = lib.mkIf enabled {
     home-manager.users.alex = {
       programs.swaylock = {
         enable = true;
@@ -33,4 +41,5 @@ in
         auth include login
       '';
     };
+  };
 }