feat(recipes): full recipe CRUD with photos, print, version history

List, detail, new, edit pages. Server-side pagination, dietary tags, difficulty.
Photo upload to S3-compatible storage. Version history. Multi-select grid with
bulk delete/visibility. Print view. Delete confirmation dialog.

apps/web/app/(app)/layout.tsx

@@ -0,0 +1,10 @@
+import { Nav } from "@/components/layout/nav";
+
+export default function AppLayout({ children }: { children: React.ReactNode }) {
+  return (
+    <>
+      <Nav />
+      <main className="flex-1 container mx-auto px-4 py-8">{children}</main>
+    </>
+  );
+}