docs: update api-reference project for v2 (#7307)

* remove everything v1 and make v2 default

* move main v2 rewrites to book

* move rewrites to book + other fixes

www/apps/api-reference/next.config.mjs

@@ -3,45 +3,17 @@ import bundleAnalyzer from "@next/bundle-analyzer"
 
 /** @type {import('next').NextConfig} */
 const nextConfig = {
+  basePath: process.env.NEXT_PUBLIC_BASE_PATH || "/v2",
   async rewrites() {
-    const fallbacks = [
-      {
-        source: "/ui",
-        destination: `${process.env.NEXT_PUBLIC_UI_URL}/ui`,
-      },
-      {
-        source: "/ui/:path*",
-        destination: `${process.env.NEXT_PUBLIC_UI_URL}/ui/:path*`,
-      },
-      {
-        source: "/:path*",
-        destination: `${process.env.NEXT_PUBLIC_DOCS_URL}/:path*`,
-      },
-    ]
-
-    if (process.env.NEXT_PUBLIC_SHOW_V2) {
-      fallbacks.push(
-        {
-          source: "/v2/resources",
-          destination: `${process.env.NEXT_PUBLIC_DOCS_V2_URL}/v2/resources`,
-        },
-        {
-          source: "/v2/resources/:path*",
-          destination: `${process.env.NEXT_PUBLIC_DOCS_V2_URL}/v2/resources/:path*`,
-        },
-        {
-          source: "/v2",
-          destination: `${process.env.NEXT_PUBLIC_DOCS_V2_URL}/v2`,
-        },
-        {
-          source: "/v2/:path*",
-          destination: `${process.env.NEXT_PUBLIC_DOCS_V2_URL}/v2/:path*`,
-        }
-      )
-    }
-
     return {
-      fallback: fallbacks,
+      fallback: [
+        {
+          source: "/:path*",
+          destination: `${
+            process.env.NEXT_PUBLIC_DOCS_URL || "https://localhost:3001"
+          }/:path*`,
+        },
+      ],
     }
   },
   webpack: (config) => {