chore(users): grfn -> aspen

Change-Id: I6c6847fac56f0a9a1a2209792e00a3aec5e672b9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10809
Autosubmit: aspen <root@gws.fyi>
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Reviewed-by: lukegb <lukegb@tvl.fyi>

users/aspen/system/home/machines/dobharchu.nix

@@ -0,0 +1,20 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    ../platforms/darwin.nix
+    ../modules/common.nix
+    # ../modules/games.nix
+  ];
+
+  home.packages = with pkgs; [
+    coreutils
+    gnupg
+    nix-prefetch-github
+    pass
+    pinentry_mac
+  ];
+
+  programs.home-manager.enable = true;
+  home.stateVersion = "21.11";
+}