feat: T5DE's website: landing page, download, changelog and FAQ

Co-Authored-By: Claude Opus 5.5 <[email protected]>

components/nav-link.tsx

@@ -0,0 +1,21 @@
+"use client";
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import { cn } from "@/lib/utils";
+
+/** A link in the navigation bar, marked when it's the current page. */
+export function NavLink({ href, children }: { href: string; children: React.ReactNode }) {
+  const here = usePathname() === href;
+  return (
+    <Link
+      href={href}
+      aria-current={here ? "page" : undefined}
+      className={cn(
+        "rounded-md px-2.5 py-1.5 text-muted-foreground transition-colors hover:text-foreground",
+        here && "bg-muted text-foreground",
+      )}
+    >
+      {children}
+    </Link>
+  );
+}