chore: update vuepress configuration

Author: Romakita

docs/.vuepress/config.base.js

@@ -32,6 +32,7 @@ module.exports = ({title, description, base = "", url, apiRedirectUrl = "", them
     ["meta", {name: "twitter:title", content: title}],
     ["meta", {name: "twitter:description", content: description}],
     ["meta", {name: "twitter:card", content: "summary"}],
+    ["meta", {name: "robots", content: "noindex, nofollow"}],
     ["link", {rel: "preconnect", href: `https://${ALGOLIA.appId}-dsn.algolia.net`, crossOrigin: true}]
   ],
   themeConfig: {

docs/.vuepress/public/robots.txt

@@ -0,0 +1,2 @@
+User-agent: *
+Disallow: /

package.json

@@ -185,6 +185,7 @@
     "productionBranch": "production",
     "developBranch": "production",
     "npmAccess": "public",
+    "npmDistTag": "v7-latest",
     "ignoreSyncDependencies": [
       "express",
       "@types/express"