Created 404 page

src/pages/404.tsx

@@ -0,0 +1,13 @@
+import Link from "next/link";
+import ContentPanel from "components/Panels/ContentPanel";
+
+export default function FourOhFour() {
+  return (
+    <ContentPanel>
+      <h1>404 - Page Not Found</h1>
+      <Link href="/">
+        <a>Go back home</a>
+      </Link>
+    </ContentPanel>
+  );
+}