chore: Add a newline

WhiteHyun · WhiteHyun · commit f7e8ee1a179e · 2024-06-03T00:05:51.000+09:00
diff --git a/product-of-array-except-self/WhiteHyun.swift b/product-of-array-except-self/WhiteHyun.swift
@@ -24,4 +24,4 @@ final class Solution {
 
     return answer
   }
-}
+}
