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/system/modules/laptop.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    ./reusable/battery.nix
+  ];
+
+  laptop.onLowBattery.enable = true;
+
+  services.logind.extraConfig = ''
+    HandlePowerKey=hibernate
+  '';
+
+  services.tlp.enable = true;
+}