Add worf

hosts/worf/configuration.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+{
+  # List packages installed in system profile. To search by name, run:
+  # $ nix-env -qaP | grep wget
+  environment.systemPackages = [
+    pkgs.neovim
+    pkgs.iterm2
+  ];
+
+  # Auto upgrade nix package and the daemon service.
+  services.nix-daemon.enable = true;
+  nix.package = pkgs.nix;
+}