feat: rename Updaterup to Daterup and update related links and metadata

frontend/app/page.tsx

@@ -583,7 +583,7 @@ export default async function LandingPage() {
               </SpotlightCard>
             </AnimateIn>
 
-            {/* Updaterup card */}
+            {/* Daterup card */}}
             <AnimateIn variant="fade-up" delay={100}>
               <SpotlightCard className="rounded-2xl border border-violet-500/20 bg-gradient-to-br from-violet-500/10 to-purple-600/10 p-8 h-full card-hover flex flex-col">
                 <div className="flex items-start justify-between gap-4">
@@ -595,7 +595,7 @@ export default async function LandingPage() {
                     New
                   </span>
                 </div>
-                <h3 className="mt-5 text-xl font-bold text-white">Updaterup</h3>
+                <h3 className="mt-5 text-xl font-bold text-white">Daterup</h3>
                 <p className="mt-2 text-sm text-slate-400 leading-relaxed">
                   Docker container update manager. Continuously checks your running containers for
                   new image versions and lets you update them with a single click — or automatically
@@ -619,14 +619,14 @@ export default async function LandingPage() {
                 </ul>
                 <div className="mt-7 flex gap-3">
                   <Link
-                    href="/updaterup"
+                    href="/daterup"
                     className="flex items-center gap-2 rounded-xl px-5 py-2.5 text-xs font-bold text-white transition-all hover:brightness-110"
                     style={{ background: "linear-gradient(135deg, #a78bfa, #7c3aed)" }}
                   >
-                    Explore Updaterup →
+                    Explore Daterup →
                   </Link>
                   <a
-                    href={links.updaterupGitea}
+                    href={links.daterupGitea}
                     target="_blank"
                     rel="noopener noreferrer"
                     className="flex items-center gap-2 rounded-xl border border-white/10 bg-white/5 px-5 py-2.5 text-xs font-semibold text-slate-300 hover:bg-white/10 hover:text-white transition-all"