Test: PageLayout 스토리북 코드 추가

frontend/src/components/PageLayout/index.stories.tsx

@@ -0,0 +1,19 @@
+import '@/index.css';
+import { Meta, StoryObj } from '@storybook/react';
+import PageLayout from '.';
+
+const meta: Meta<typeof PageLayout> = {
+  title: 'Layout/PageLayout',
+  component: PageLayout,
+  parameters: {
+    layout: 'fullscreen',
+  },
+};
+
+export default meta;
+
+type Story = StoryObj<typeof PageLayout>;
+
+export const Default: Story = {
+  render: () => <PageLayout></PageLayout>,
+};