fix(frontend): force-dynamic on marketing layout to skip SSG at build time

cannamanage-frontend/src/app/(marketing)/layout.tsx

@@ -5,6 +5,10 @@ import { Cannabis } from "lucide-react"
 
 import type { ReactNode } from "react"
 
+// Force dynamic rendering — prevents NextAuth from being called at build time
+// (AUTH_URL is not available during Docker image build)
+export const dynamic = "force-dynamic"
+
 export default async function MarketingLayout({
   children,
 }: {