implement #68;

src/components/ClosedFormMessage.tsx

@@ -0,0 +1,12 @@
+import React from 'react';
+
+const ClosedFormMessage = () => {
+  return (
+    <div>
+      <p>This form is no longer accepting responses. If you believe this is an error, contact the form author.</p>
+      <a href='https://talkform.ai/'>Go to TalkForm.ai</a>
+    </div>
+  );
+};
+
+export default ClosedFormMessage;