fix

modules/applications/vim/system.nix

@@ -0,0 +1,22 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+let
+  cfg = config.my.applications.vim.system;
+in
+{
+  options.my.applications.vim.system = {
+    enable = lib.mkEnableOption "vim system configuration";
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      vim # Highly configurable text editor
+    ];
+
+    environment.variables.EDITOR = "nvim";
+  };
+}