Initial commit.

pages/404.js

@@ -0,0 +1,10 @@
+import React from 'react';
+import Layout from 'components/layout';
+
+export default function Custom404() {
+  return (
+    <Layout title="404 - Page Not Found">
+      <h1>oops</h1>
+    </Layout>
+  );
+}