Revert "remove unused Next.js redirects, use _redirects file instead."

This reverts commit ba12573.

Author: cometkim

next.config.mjs

@@ -84,6 +84,70 @@ const config = {
     config.plugins.push(new ProvidePlugin({ React: "react" }));
     return config;
   },
+  async redirects() {
+    return [
+      {
+        source: "/community",
+        destination: "/community/overview",
+        permanent: true,
+      },
+      {
+        source: "/bucklescript-rebranding",
+        destination: "/blog/bucklescript-is-rebranding",
+        permanent: true,
+      },
+      {
+        source: "/docs/manual/latest/migrate-from-bucklescript-reason",
+        destination: "/docs/manual/v10.0.0/migrate-from-bucklescript-reason",
+        permanent: true,
+      },
+      {
+        source: "/docs/manual/latest/unboxed",
+        destination: "/docs/manual/v10.0.0/unboxed",
+        permanent: true,
+      },
+      {
+        source: "/docs/gentype/latest/introduction",
+        destination: "/docs/manual/latest/typescript-integration",
+        permanent: true,
+      },
+      {
+        source: "/docs/gentype/latest/getting-started",
+        destination: "/docs/manual/latest/typescript-integration",
+        permanent: true,
+      },
+      {
+        source: "/docs/gentype/latest/usage",
+        destination: "/docs/manual/latest/typescript-integration",
+        permanent: true,
+      },
+      {
+        source: "/docs/gentype/latest/supported-types",
+        destination: "/docs/manual/latest/typescript-integration",
+        permanent: true,
+      },
+      {
+        source: "/docs/manual/latest/:slug*",
+        destination: `/docs/manual/${process.env.VERSION_LATEST}/:slug*`,
+        permanent: false,
+      },
+      {
+        source: "/docs/manual/next/:slug*",
+        destination: `/docs/manual/${process.env.VERSION_NEXT}/:slug*`,
+        permanent: false,
+      },
+      {
+        source: "/llms/manual/latest/:file*",
+        destination: `/llms/manual/${process.env.VERSION_LATEST}/:file*`,
+        permanent: false,
+      },
+      {
+        source: "/llms/manual/next/:file*",
+        destination: `/llms/manual/${process.env.VERSION_NEXT}/:file*`,
+        permanent: false,
+      },
+    ];
+  },
 };
 
 export default {