feat,wip: 경매장 API 작성

hwe/sammo/API/Auction/BidUniqueAuction.php

@@ -9,22 +9,10 @@ use sammo\Validator;
 use sammo\GameConst;
 use sammo\General;
 
-use function sammo\buildItemClass;
-
 class BidUniqueAuction extends \sammo\BaseAPI
 {
   public function validateArgs(): ?string
   {
-    $availableItems = [];
-    foreach (GameConst::$allItems as $items) {
-      foreach ($items as $itemKey => $amount) {
-        if ($amount == 0) {
-          continue;
-        }
-        $availableItems[$itemKey] = $amount;
-      }
-    }
-
     $v = new Validator($this->args);
     $v->rule('required', [
       'auctionID',