init config

modules/system/shell.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, modulesPath, ... }:
+{
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    wget
+    htop
+    tree
+  ];
+  
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+}