feat: add submission form and status page

src/app/page.tsx

@@ -0,0 +1,10 @@
+import { SubmitForm } from '@/components/SubmitForm'
+
+export default function Home() {
+  return (
+    <main style={{ padding: '2rem' }}>
+      <h1>Ombrora</h1>
+      <SubmitForm />
+    </main>
+  )
+}