dev: initial attempt

pages/index.tsx

@@ -0,0 +1,26 @@
+import React from 'react';
+import { Helmet } from 'react-helmet';
+import { useTranslation } from 'react-i18next';
+import Form from '../components/Form';
+import Welcome from '../components/Welcome';
+import { Content, Header } from '../src/theme';
+
+export default function App() {
+  const { t } = useTranslation();
+
+  return (
+    <>
+      <Helmet>
+        <title>namae — {t('title')}</title>
+      </Helmet>
+
+      <Header>
+        <Form useSuggestion={false} />
+      </Header>
+
+      <Content>
+        <Welcome />
+      </Content>
+    </>
+  );
+}