chore: 优化 seo

theme/layouts/default.hbs

@@ -5,6 +5,13 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <title>{{#ifCond model.name '==' project.name}}{{project.name}}{{else}}{{model.name}} | {{project.name}}{{/ifCond}}</title>
     <meta name="description" content="Documentation for {{project.name}}">
+	<meta property="og:site_name" content="Vscode Api 中文文档">
+	<meta property="og:type" content="docs">
+	<meta property="og:url" content="https://vscode-api-cn.js.org/index.html">
+	<meta property="article:tag" content="vscode">
+	<meta property="article:tag" content="vscode api">
+	<meta property="article:tag" content="vscode api 中文文档">
+	<meta property="article:tag" content="vscode api 文档">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <link rel="shortcut icon" href="https://code.visualstudio.com/favicon.ico" sizes="128x128">
     <link rel="stylesheet" href="{{relativeURL "assets/css/main.css"}}">