feat: Restore basePath for production deployment

- Re-enable basePath: '/design' and assetPrefix: '/design' for GitHub Pages
- Build successful with TeamTest component
- Ready for production deployment to test fonts

Author: mmaxence

next.config.ts

@@ -3,8 +3,8 @@ import type { NextConfig } from "next";
 const nextConfig: NextConfig = {
   output: 'export',
   trailingSlash: true,
-  // basePath: '/design', // Commented out for development
-  // assetPrefix: '/design', // Commented out for development
+  basePath: '/design',
+  assetPrefix: '/design',
   images: {
     unoptimized: true,
   },