Redirect .html paths to legacy site

beta/next.config.js

@@ -17,9 +17,6 @@ const nextConfig = {
   env: {
     SANDPACK_BARE_COMPONENTS: process.env.SANDPACK_BARE_COMPONENTS,
   },
-  async redirects() {
-    return [];
-  },
   webpack: (config, {dev, isServer, ...options}) => {
     if (process.env.ANALYZE) {
       const {BundleAnalyzerPlugin} = require('webpack-bundle-analyzer');

beta/vercel.json

@@ -4,6 +4,11 @@
   },
   "trailingSlash": false,
   "redirects": [
+    {
+      "source": "/:path*(\\.html)",
+      "destination": "https://legacy.reactjs.org/:path*.html",
+      "permanent": false
+    },
     {
       "source": "/tips/controlled-input-null-value.html",
       "destination": "/docs/forms.html#controlled-input-null-value",