🏗：add seo keywords and description

src/pages/document.ejs

@@ -4,6 +4,20 @@
     <meta charset="UTF-8" />
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <meta
+      name="keywords"
+      content="antd,umi,umijs,ant design,脚手架,布局, Ant Design,项目,Pro,admin,控制台,主页,开箱即用,中后台,解决方案,组件库"
+    />
+    <meta
+      name="description"
+      content="
+    An out-of-box UI solution for enterprise applications as a React boilerplate."
+    />
+    <meta
+      name="description"
+      content="
+      开箱即用的中台前端/设计解决方案。"
+    />
+    <meta
       name="viewport"
       content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"
     />