Next.js Supabase V3 (#463)

Version 3 of the kit:
- Radix UI replaced with Base UI (using the Shadcn UI patterns)
- next-intl replaces react-i18next
- enhanceAction deprecated; usage moved to next-safe-action
- main layout now wrapped with [locale] path segment
- Teams only mode
- Layout updates
- Zod v4
- Next.js 16.2
- Typescript 6
- All other dependencies updated
- Removed deprecated Edge CSRF
- Dynamic Github Action runner

apps/web/app/[locale]/docs/_components/docs-nav-link.tsx

@@ -0,0 +1,30 @@
+'use client';
+
+import Link from 'next/link';
+import { usePathname } from 'next/navigation';
+
+import { SidebarMenuButton, SidebarMenuItem } from '@kit/ui/sidebar';
+import { cn, isRouteActive } from '@kit/ui/utils';
+
+export function DocsNavLink({
+  label,
+  url,
+  children,
+}: React.PropsWithChildren<{ label: string; url: string }>) {
+  const currentPath = usePathname();
+  const isCurrent = isRouteActive(url, currentPath);
+
+  return (
+    <SidebarMenuItem>
+      <SidebarMenuButton
+        render={<Link href={url} />}
+        isActive={isCurrent}
+        className={cn('text-secondary-foreground transition-all')}
+      >
+        <span className="block max-w-full truncate">{label}</span>
+
+        {children}
+      </SidebarMenuButton>
+    </SidebarMenuItem>
+  );
+}