docs: add link to the Portuguese documentation (#1972)

Co-authored-by: Eduardo San Martin Morote <[email protected]>

Author: nazarepiedady

packages/docs/.vitepress/config/index.ts

@@ -10,5 +10,6 @@ export default defineConfig({
     root: { label: 'English', lang: 'en-US', link: '/', ...enConfig },
     zh: { label: '简体中文', lang: 'zh-CN', link: '/zh/', ...zhConfig },
     ko: { label: '한국어', lang: 'ko-KR', link: 'https://router.vuejs.kr/' },
+    pt: { label: 'Português', lang: 'pt-PT', link: 'https://vue-router-docs-pt.netlify.app/' },
   },
 })