feat(desktop): move lockscreen config to homes and use home-manager modules

homes/x86_64-linux/rafiq/desktop/default.nix

@@ -9,4 +9,5 @@ let
 in
 mkMerge [
   (import ./browser.nix { inherit lib inputs system; })
+  (import ./lockscreen.nix)
 ]

homes/x86_64-linux/rafiq/desktop/lockscreen.nix

@@ -0,0 +1,35 @@
+{
+  home.sessionVariables.LOCKSCREEN = "hyprlock";
+  programs.hyprlock.settings = {
+    general.hide_cursor = true;
+    general.ignore_empty_input = true;
+
+    background = {
+      blur_passes = 5;
+      blur_size = 5;
+    };
+
+    label = {
+      text = ''hi, $USER.'';
+      font_size = 32;
+      halign = "center";
+      valign = "center";
+      position = "0, 0";
+      zindex = 1;
+      shadow_passes = 5;
+      shadow_size = 5;
+    };
+
+    input-field = {
+      fade_on_empty = true;
+      size = "200, 45";
+      halign = "center";
+      valign = "center";
+      position = "0, -5%";
+      placeholder_text = "";
+      zindex = 1;
+      shadow_passes = 5;
+      shadow_size = 5;
+    };
+  };
+}