Refactor user management functions to use inputs

Removed the `lib.nix` file and refactored various modules to utilize `inputs.self.lib` for user package and attribute management. This change enhances consistency and maintainability across the configuration files.

config/stylix.nix

@@ -23,7 +23,7 @@ in
       targets.qt.platform = lib.mkForce "qtct";
     }
     // lib.optionalAttrs (scheme ? base16Scheme) { inherit (scheme) base16Scheme; };
-    home-manager.users.jawz = {
+    home-manager.users = inputs.self.lib.mkHomeManagerUsers lib config.my.toggleUsers.stylix (user: {
       gtk = lib.mkIf (!cfg.enable && gnomeEnabled) {
         enable = true;
         iconTheme = {
@@ -44,9 +44,9 @@ in
         };
         targets.librewolf = {
           firefoxGnomeTheme.enable = true;
-          profileNames = [ "jawz" ];
+          profileNames = [ user ];
         };
       };
-    };
+    });
   };
 }