fix: add ESM type and ignoreDeadLinks for VitePress build

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs-site/docs/.vitepress/config.ts

@@ -5,6 +5,7 @@ export default defineConfig({
   description: 'XuqmGroup 多端 SDK 接入指南',
   base: '/docs/',
   lang: 'zh-CN',
+  ignoreDeadLinks: true,
 
   themeConfig: {
     logo: '/logo.svg',

docs-site/package.json

@@ -2,6 +2,7 @@
   "name": "@xuqm/docs-site",
   "version": "0.1.0",
   "private": true,
+  "type": "module",
   "scripts": {
     "dev": "vitepress dev docs",
     "build": "vitepress build docs",