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/Navbar.tsx

@@ -2,6 +2,7 @@
 
 import { useState, useEffect } from "react";
 import Link from "next/link";
+import Image from "next/image";
 import { usePathname } from "next/navigation";
 import { Menu, X, Globe } from "lucide-react";
 import { motion, AnimatePresence } from "framer-motion";
@@ -53,7 +54,7 @@ export default function Navbar({ lang, dict }: { lang: Locale; dict: any }) {
         <div className="flex justify-between items-center">
           {/* Logo */}
           <Link href={`/${lang}`} className="flex-shrink-0">
-            <img src="/logo.png" alt="Moy Group Logo" className="h-10 w-auto" />
+            <Image src="/logo.png" alt="Moy Group Logo" width={160} height={40} className="h-10 w-auto" priority />
           </Link>
 
           {/* Desktop Nav */}