enabled static export

When running next build, Next.js generates an HTML file per route. By breaking a strict SPA into individual HTML files, Next.js can avoid loading unnecessary JavaScript code on the client-side, reducing the bundle size and enabling faster page loads.

next.config.js

@@ -1,6 +1,7 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
     reactStrictMode: false,
+    output: 'export',
     webpack: (config, { isServer }) => {
         // Add the file-loader rule for PDF files
         config.module.rules.push({