feat(seo): implement SEO audit remediations

- Add dynamic sitemap.ts, robots.ts, and llms.txt route
- Add metadataBase and JSON-LD Organization schema to layout
- Set canonical alternates for all routes
- Migrate raw img tags to next/image for LCP optimization
- Add SEO dictionary strings to tr.json and en.json

app/[lang]/sss/page.tsx

@@ -1,9 +1,17 @@
 import { getDictionary, Locale } from "../../dictionaries";
 import SSSClient from "./SSSClient";
 
-export const metadata = {
-  title: "SSS | Moy Group",
-};
+export async function generateMetadata({ params }: { params: Promise<{ lang: string }> }) {
+  const { lang } = await params;
+  const dict = await getDictionary(lang as Locale);
+  return {
+    title: dict.seo.faq.title,
+    description: dict.seo.faq.description,
+    alternates: {
+      canonical: `/${lang}/sss`,
+    },
+  };
+}
 
 export default async function SSSPage({
   params,