Add ./fillwarehouse dev command

Sets every resource in the warehouse of the city the player stands in,
either to an optional amount or, by default, to each resource's
deposit limit. Makes forge and work order testing practical.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/engine/gameManager/DevCmdManager.java

@@ -101,6 +101,7 @@ public enum DevCmdManager {
         DevCmdManager.registerDevCmd(new SetAdminRuneCmd());
         DevCmdManager.registerDevCmd(new SetInvulCmd());
         DevCmdManager.registerDevCmd(new MakeItemCmd());
+        DevCmdManager.registerDevCmd(new FillWarehouseCmd());
         DevCmdManager.registerDevCmd(new SetSubRaceCmd());
         // Admin