redirect static files to a prefixed path

src/middleware.js

@@ -0,0 +1,10 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+export function middleware(req) {
+    if (req.nextUrl.href.includes('/docs-static/_next/'))
+        return NextResponse.rewrite(
+            req.nextUrl.href.replace('/docs-static/_next/', '/_next/'),
+        );
+
+    return null;
+}