chore: 文档前添加 创建时间、修改时间、字数统计

docs/.vitepress/theme/index.ts

@@ -4,12 +4,14 @@ import type { Theme } from 'vitepress'
 import DefaultTheme from 'vitepress/theme'
 import './style.css'
 import './custom.css'
+import ArticleInfo from './components/ArticleInfo.vue'
 
 export default {
   extends: DefaultTheme,
   Layout: () => {
     return h(DefaultTheme.Layout, null, {
       // https://vitepress.dev/guide/extending-default-theme#layout-slots
+      'doc-before': () => h(ArticleInfo),
     })
   },
   enhanceApp({ app, router, siteData }) {