ops/factorio/multiworld: prohibit /ws while hand-crafting

ops/factorio/multiworld/multiworld.lua

@@ -169,6 +169,11 @@ end
 local function port_player_to_world(player, surface)
     local p = player.print
 
+    if player.crafting_queue_size > 0 then
+        p("Can't port between worlds while crafting", c)
+        return
+    end
+
     player.clear_cursor()
     save_inventories(player, get_saved_inventory(player.surface, player))
 

ops/nixos/clouvider-lon01/default.nix

@@ -294,5 +294,9 @@ in {
     "[2a0a:54c0:0:17::2]"
   ];
 
+  environment.systemPackages = [
+    depot.ops.factorio.multiworld
+  ];
+
   system.stateVersion = "20.09";
 }