fix architecture and write new tests

apps/marketplace/next.config.js

@@ -1,9 +1,40 @@
 /** @type {import('next').NextConfig} */
+
+const securityHeaders = [
+  { key: 'Strict-Transport-Security', value: 'max-age=31536000; includeSubDomains' },
+  { key: 'X-Content-Type-Options', value: 'nosniff' },
+  { key: 'X-Frame-Options', value: 'DENY' },
+  { key: 'Referrer-Policy', value: 'strict-origin-when-cross-origin' },
+  { key: 'Permissions-Policy', value: 'camera=(), microphone=(), geolocation=()' },
+  {
+    key: 'Content-Security-Policy',
+    value: [
+      "default-src 'self'",
+      "script-src 'self' 'unsafe-inline'",
+      "style-src 'self' 'unsafe-inline'",
+      "img-src 'self' data: blob: https:",
+      "font-src 'self' data:",
+      "connect-src 'self' https: wss:",
+      "frame-ancestors 'none'",
+      "base-uri 'self'",
+      "form-action 'self'",
+      "object-src 'none'",
+    ].join('; '),
+  },
+]
 const nextConfig = {
   images: {
     domains: ['res.cloudinary.com'],
   },
   transpilePackages: ['@rentaldrivego/types'],
+  async headers() {
+    return [
+      {
+        source: '/:path*',
+        headers: securityHeaders,
+      },
+    ]
+  },
   async rewrites() {
     const dashboardOrigin = process.env.DASHBOARD_INTERNAL_URL ?? 'http://dashboard:3001'
     const adminOrigin = process.env.ADMIN_INTERNAL_URL ?? 'http://admin:3002'