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/components/Footer.tsx

@@ -1,4 +1,5 @@
 import Link from "next/link";
+import Image from "next/image";
 import { MapPin, Phone, Mail } from "lucide-react";
 import { Locale } from "../dictionaries";
 
@@ -9,7 +10,7 @@ export default function Footer({ lang, dict }: { lang: Locale; dict: any }) {
         <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-12 mb-12">
           {/* Brand */}
           <div className="space-y-4">
-            <img src="/logo.png" alt="Moy Group Logo" className="h-12 w-auto mb-6" />
+            <Image src="/logo.png" alt="Moy Group Logo" width={180} height={48} className="h-12 w-auto mb-6" />
             <p className="text-gray-400 text-sm leading-relaxed">
               {dict.description}
             </p>