chore: restructure project into yarn workspaces, remove next

packages/design-system/molecules/error-banner/ErrorBanner.stories.tsx

@@ -0,0 +1,26 @@
+import * as React from 'react';
+import { ErrorBanner } from './ErrorBanner';
+
+export default {
+    title: 'Molecules/Error Banner',
+    argTypes: {
+        english: { control: 'text' },
+        japanese: { control: 'text' },
+        friendlyCode: { control: 'text' },
+    },
+    args: {
+        english: 'Oh no! I lost it!',
+        japanese: 'ちょっとにんげんだよ',
+        friendlyCode: '404',
+    },
+};
+
+export const ErrorBanner_ = ({ english, japanese, friendlyCode }) => (
+    <ErrorBanner
+        message={{
+            english,
+            japanese,
+            friendlyCode,
+        }}
+    />
+);