Added Header Component

src/app/(site)/layout.tsx

@@ -1,5 +1,13 @@
+import { MenuProvider } from '@/contexts/MenuContext';
+import PageHeader from '@/components/Page/Header';
+
 export default function SiteLayout({
   children,
 }: Readonly<{ children: React.ReactNode }>) {
-  return <main>{children}</main>;
+  return (
+    <MenuProvider>
+      <PageHeader />
+      <main>{children}</main>
+    </MenuProvider>
+  );
 }