fix: no key in Deck component

src/ui/BuildDeck/index.tsx

@@ -108,7 +108,7 @@ const Deck: React.FC<{
         </Space>
         <ScrollableArea className={styles["deck-zone"]}>
           {(["main", "extra", "side"] as const).map((type) => (
-            <div className={styles[type]}>
+            <div key={type} className={styles[type]}>
               <div className={styles["card-continer"]}>
                 {editingDeck[type].map((code, i) => (
                   <div className={styles.card} key={i}>