fix build error about double route

Author: AmbtenaarInFunctie

src/app/(public)/[slug]/page.tsx

@@ -1,4 +1,5 @@
 import Card from "@/components/card";
+import Link from "next/link";
 
 export default async function FooterPage({
   params,
@@ -15,6 +16,12 @@ export default async function FooterPage({
 
   return (
     <div className="container mx-auto py-8">
+      <Link
+        href="/"
+        className="mb-4 inline-block text-blue-600 hover:underline"
+      >
+        ← vorige
+      </Link>
       <Card>
         <h1 className="text-h1 mb-4">{title}</h1>
         <p className="text-lg">Hier wordt aan gewerkt.</p>