feat(seo): add sitemap generator

app/(app)/books/sb/page.tsx

@@ -1,6 +1,8 @@
 import type { Metadata } from "next";
 import Link from "next/link";
 import { PageHeader } from "@/components/layout/page-header";
+import { JsonLd } from "@/components/seo/json-ld";
+import { bookJsonLd } from "@/lib/jsonld";
 import { Card, CardContent } from "@/components/ui/card";
 import { Badge } from "@/components/ui/badge";
 import { ExtractedVerseCount } from "../extracted-verse-count";
@@ -42,6 +44,7 @@ export default async function SbPage() {
 
   return (
     <div className="min-h-screen bg-background">
+      <JsonLd data={bookJsonLd({ path: "/books/sb", name: "Śrīmad-Bhāgavatam" })} />
       <PageHeader>
         <Link
           href="/books"