feat: create story for header

src/pages/ValidatorManagement/ManagementHeader.stories.ts

@@ -0,0 +1,19 @@
+import type { Meta, StoryObj } from '@storybook/react'
+
+import ManagementHeader from './ManagementHeader'
+
+const meta = {
+  title: 'ValidatorManagement/ManagementHeader',
+  component: ManagementHeader,
+  parameters: {
+    layout: 'centered',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof ManagementHeader>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Page: Story = {
+  args: {},
+}