优化文件结构

scripts/generate-abbrlinks.mjs

@@ -1,7 +1,7 @@
 import { readdir, readFile, writeFile } from 'node:fs/promises';
 import { basename, extname, join, relative } from 'node:path';
 
-const POSTS_DIR = join(process.cwd(), 'source', '_posts');
+const POSTS_DIR = join(process.cwd(), 'posts');
 
 const CRC32_TABLE = new Uint32Array(256);