lxdImage: enable docs & xlibs in standalone image

nixos/maintainers/scripts/lxd/lxd-image-inner.nix

@@ -96,4 +96,8 @@ with lib;
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
   system.stateVersion = "21.05"; # Did you read the comment?
 
+  # As this is intended as a stadalone image, undo some of the minimal profile stuff
+  documentation.enable = true;
+  documentation.nixos.enable = true;
+  environment.noXlibs = false;
 }

nixos/maintainers/scripts/lxd/lxd-image.nix

@@ -31,4 +31,9 @@ with lib;
   # Network
   networking.useDHCP = false;
   networking.interfaces.eth0.useDHCP = true;
+
+  # As this is intended as a stadalone image, undo some of the minimal profile stuff
+  documentation.enable = true;
+  documentation.nixos.enable = true;
+  environment.noXlibs = false;
 }