pinwheel: Extract swaylock module

hosts/pinwheel/modules/swaylock/default.nix

@@ -0,0 +1,32 @@
+{ home-manager, pkgs, ... }:
+{
+  home-manager.users.alex = {
+    programs.swaylock = {
+      enable = true;
+
+      settings = {
+        color = "000000";
+        indicator-idle-visible = false;
+        show-failed-attempts = true;
+      };
+    };
+
+    wayland.windowManager.hyprland = {
+      settings = {
+        bind = [
+          "$mod, x, exec, ${pkgs.swaylock}/bin/swaylock"
+        ];
+      };
+    };
+  };
+
+  security = {
+    polkit.enable = true;
+
+    pam.services.swaylock.text = ''
+      # PAM configuration file for the swaylock screen locker. By default, it includes
+      # the 'login' configuration file (see /etc/pam.d/login)
+      auth include login
+    '';
+  };
+}