Re-translate the Japanese version (#1871)

* Retranslate Japanese docs with GPT-5.4

* Retranslate Japanese code with GPT-5.4

ja/codes/zig/utils/utils.zig

@@ -0,0 +1,8 @@
+// File: format.zig
+// Created Time: 2025-07-15
+// Author: CreatorMetaSky (creator_meta_sky@163.com)
+
+const std = @import("std");
+pub const fmt = @import("format.zig");
+pub const ListNode = @import("ListNode.zig").ListNode;
+pub const TreeNode = @import("TreeNode.zig").TreeNode;