added services dir

systems/jeeves/services/default.nix

@@ -0,0 +1,9 @@
+{ lib, ... }:
+{
+  imports =
+    let
+      files = builtins.attrNames (builtins.readDir ./.);
+      nixFiles = builtins.filter (name: lib.hasSuffix ".nix" name && name != "default.nix") files;
+    in
+    map (file: ./. + "/${file}") nixFiles;
+}