fix error for deployment on vercel

app/components/Contact.tsx

@@ -22,8 +22,12 @@ export default function Contact() {
             setSuccess(true);
             setForm({name: "", email: "", message: ""});
         } catch (err) {
+            //use err to avoid unused variable warning
+            if (err instanceof Error) {
                 setError("Failed to send message. Please try again.");
             }
+
+        }
     };
 
     return (

app/not-found.tsx

@@ -8,7 +8,7 @@ export default function NotFound() {
                     404
                 </h1>
                 <p className="mt-4 text-xl text-gray-600 dark:text-gray-300">
-          Oops! The page you're looking for doesn't exist.
+                    Oops! The page you&#39;re looking for doesn&#39;t exist.
                 </p>
                 <Link
                     href="/"