update nix

modules/darwin/services/openssh/default.nix

@@ -0,0 +1,20 @@
+{ config, namespace, lib, ... }:
+let
+  inherit (lib.${namespace}) mkOpt;
+
+  cfg = config.${namespace}.security.sops;
+in
+{
+  options.${namespace}.services.openssh = with lib.types; {
+    enable = lib.mkEnableOption "OpenSSH support";
+    authorizedKeys = mkOpt (listOf str) [ ] "The public keys to apply.";
+    extraConfig = mkOpt str "" "Extra configuration to apply.";
+    port = mkOpt port 2222 "The port to listen on (in addition to 22).";
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.openssh = {
+      enable = true;
+    };
+  };
+}