Add crawler User-Agent header

应 @pandadtdyy 老师请求添加 bot UA

暂定所有 UA 均以 `LDABot` 开头，后续可能添加细分分类

Author: wxh06

packages/archive/src/lib/parser.ts

@@ -31,6 +31,8 @@ export async function getResponse(
     headers: {
       "x-luogu-type": "content-only",
       "x-lentille-request": "content-only",
+      "User-Agent": "LDABot",
+      From: "[email protected]",
       ...(cookie ? { cookie: process.env.COOKIE! } : {}),
     },
     cache: "no-cache",