Fix footer formatting in VitePress config

Author: insoxin

docs/.vitepress/config.ts

@@ -57,8 +57,7 @@ export default defineConfig({
     footer: {
       message: '<a href="/guide/terms-of-service">服务条款 (Terms of Service)</a> | <a href="/guide/privacy-policy">隐私政策 (Privacy Policy)</a>',
       copyright: 'Copyright © 2017-present 姬长信 API'
-      }
-    },
+      },
     outlineTitle: '本页目录',
     socialLinks: [
       { icon: 'github', link: 'https://github.com/insoxin/API' }