feat: add story for markdown component

src/components/General/Markdown/Markdown.stories.tsx

@@ -0,0 +1,21 @@
+import type { Meta, StoryObj } from '@storybook/react'
+
+import Markdown from './Markdown'
+
+const meta = {
+  title: 'General/Markdown',
+  component: Markdown,
+  parameters: {
+    layout: 'centered',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof Markdown>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {
+  args: {
+    children: 'Markdown',
+  },
+}