docs: refactored versioning in api reference + modified v2 content (#7274)

www/apps/api-reference/middleware.ts

@@ -0,0 +1,18 @@
+import { NextResponse } from "next/server"
+import type { NextRequest } from "next/server"
+
+export function middleware(request: NextRequest) {
+  if (
+    process.env.NEXT_PUBLIC_VERSIONING !== "true" &&
+    request.url.includes("/v2")
+  ) {
+    const url = new URL(request.url)
+    return NextResponse.redirect(
+      new URL(url.pathname.replace("/v2", ""), request.url)
+    )
+  }
+}
+
+export const config = {
+  matcher: "/api/:path*",
+}