refactor: make username global variable

systems/modules/programs/getty.nix

@@ -1,5 +1,6 @@
+{ username, ... }:
 {
   services.getty = {
-    autologinUser = "rafiq";
+    autologinUser = "${username}";
   };
 }

systems/modules/programs/hyprlock.nix

@@ -2,6 +2,7 @@
   inputs,
   hostname,
   pkgs,
+  username,
   ...
 }:
 let
@@ -17,7 +18,7 @@ let
 in
 {
   security.pam.services.hyprlock = { };
-  home-manager.users.rafiq = {
+  home-manager.users.${username} = {
     programs.hyprlock = {
       enable = true;
       package = inputs.hyprlock.packages.${pkgs.stdenv.hostPlatform.system}.hyprlock;

systems/modules/stylix.nix

@@ -1,4 +1,4 @@
-{ inputs, ... }:
+{ inputs, username, ... }:
 let
   opacity = 0.8;
   toImport = [
@@ -25,12 +25,12 @@ in
   fonts.enableDefaultPackages = true;
 
   imports = [ inputs.stylix.nixosModules.stylix ] ++ toImport;
-  home-manager.users.rafiq.imports = [ inputs.stylix.homeManagerModules.stylix ] ++ toImport;
+  home-manager.users.${username}.imports = [ inputs.stylix.homeManagerModules.stylix ] ++ toImport;
 
   # Put options that only exist in the NixOS module here.
   stylix.homeManagerIntegration.autoImport = false;
   stylix.homeManagerIntegration.followSystem = false;
 
   # Put options that only exist in the home-manager module here.
-  # home-manager.users.rafiq.stylix = {};
+  # home-manager.users.${username}.stylix = {};
 }