refactor: Update next.config.mjs to allow specific origins for server actions and update download.tsx to open download link in a new tab

next.config.mjs

@@ -1,4 +1,11 @@
 /** @type {import('next').NextConfig} */
-const nextConfig = {};
+const nextConfig = {
+    experimental: {
+        serverActions: {
+          // edit: updated to new key. Was previously `allowedForwardedHosts`
+          allowedOrigins: ['localhost:3000', 'get-zen.vercel.app'],
+        },
+    },
+};
 
 export default nextConfig;