feat: create header component

src/pages/ValidatorManagement/ManagementHeader.tsx

@@ -0,0 +1,13 @@
+import { XStack } from 'tamagui'
+
+import TitleLogo from '../../components/General/TitleLogo'
+
+const ManagementHeader = () => {
+  return (
+    <XStack style={{ width: '100%', justifyContent: 'space-between' }}>
+      <TitleLogo subtitle="Validator Management" />
+    </XStack>
+  )
+}
+
+export default ManagementHeader