feat: stubbed out configs for eve home manager user

modules/home-manager-modules/programs/vortex.nix

@@ -0,0 +1,24 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  cfg = config.programs.vortex;
+in {
+  options.programs.vortex = {
+    enable = lib.mkEnableOption "Vortex (Nexus Mods manager)";
+  };
+
+  config = {
+    assertions = [
+      {
+        assertion = !cfg.enable;
+        message = ''
+          Vortex module is not yet fully configured.
+          Please download and install Vortex manually from the Nexus Mods website,
+          then configure the Wine environment and dependencies as needed.
+        '';
+      }
+    ];
+  };
+}