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/modules/development/ocaml.nix

@@ -0,0 +1,17 @@
+{ config, lib, pkgs, ... }:
+
+{
+  home.packages = with pkgs; [
+    ocaml
+
+    # ocamlPackages.merlin
+    # ocamlPackages.utop
+    # ocamlPackages.ocp-indent
+    # ocamlPackages.ocamlformat
+  ];
+
+  programs.opam = {
+    enable = true;
+    enableZshIntegration = true;
+  };
+}