feat(worldgen): 村庄结构生成——网格撒点+群系白名单+水井+跨区块房屋（含测试）

tools/zig-x86_64-windows-0.14.1/lib/include/stdalign.h

@@ -0,0 +1,29 @@
+/*===---- stdalign.h - Standard header for alignment ------------------------===
+ *
+ * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+ * See https://llvm.org/LICENSE.txt for license information.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+#ifndef __STDALIGN_H
+#define __STDALIGN_H
+
+#if defined(__MVS__) && __has_include_next(<stdalign.h>)
+#include_next <stdalign.h>
+#else
+
+#if defined(__cplusplus) ||                                                    \
+    (defined(__STDC_VERSION__) && __STDC_VERSION__ < 202311L)
+#ifndef __cplusplus
+#define alignas _Alignas
+#define alignof _Alignof
+#endif
+
+#define __alignas_is_defined 1
+#define __alignof_is_defined 1
+#endif /* __STDC_VERSION__ */
+
+#endif /* __MVS__ */
+#endif /* __STDALIGN_H */