docs: add redirect v2 (web-infra-dev#8335)

Author: zllkjc

package.json

@@ -40,7 +40,8 @@
     "update-rspress": "npx taze major --include /rspress/ -w -r -l",
     "update-rsbuild": "npx taze major --include /rsbuild/ -w -r -l",
     "gen:docs": "rm -rf doc_output && mkdir doc_output && cp -r ./packages/document/doc_build/* ./doc_output",
-    "build:docs": "pnpm --filter @modern-js/main-doc... build && npm run gen:docs"
+    "docs:v2-link": "echo '/v2/*  https://modernjs-v2.netlify.app/:splat  200' >> doc_output/_redirects",
+    "build:docs": "pnpm --filter @modern-js/main-doc... build && npm run gen:docs && npm run docs:v2-link"
   },
   "engines": {
     "node": ">=20",

packages/document/docs/en/_nav.json

@@ -31,6 +31,6 @@
   },
   {
     "text": "Modern.js 2.x Docs",
-    "link": "https://modernjs.dev/guides/get-started/introduction.html"
+    "link": "https://modernjs.dev/v2"
   }
 ]

packages/document/docs/zh/_nav.json

@@ -31,6 +31,6 @@
   },
   {
     "text": "Modern.js 2.x 文档",
-    "link": "https://modernjs.dev/zh/guides/get-started/introduction.html"
+    "link": "https://modernjs.dev/v2/zh/"
   }
 ]