profile/udpdate: unify settings

profiles/update/default.nix

@@ -0,0 +1,18 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.my.profiles.update;
+in
+{
+  options.my.profiles.update = with lib; {
+    enable = mkEnableOption "update profile";
+  };
+
+  config = lib.mkIf cfg.enable {
+    # Enable firmware update daemon
+    services.fwupd.enable = true;
+
+    environment.systemPackages = with pkgs; [
+      topgrade
+    ];
+  };
+}