Fix: rename next.config.ts to next.config.mjs for Next.js compatibility

next.config.mjs

@@ -0,0 +1,5 @@
+const nextConfig = {
+  output: 'standalone',
+};
+
+export default nextConfig;

next.config.ts

@@ -1,7 +0,0 @@
-import type { NextConfig } from "next";
-
-const nextConfig: NextConfig = {
-  output: 'standalone',
-};
-
-export default nextConfig;