refactor: add enums for Auction Category, AuctionStatus

Author: DEV-Cheeze

src/main/java/com/windfall/domain/auction/enums/AuctionCategory.java

@@ -1,5 +1,5 @@
 package com.windfall.domain.auction.enums;
 
 public enum AuctionCategory {
-
+  END, START
 }

src/main/java/com/windfall/domain/auction/enums/AuctionStatus.java

@@ -1,5 +1,5 @@
 package com.windfall.domain.auction.enums;
 
 public enum AuctionStatus {
-
+  END, START
 }