5.1 앱 레이아웃/헤더/푸터/사이드바 구성

src/app/components/AppFooter.tsx

@@ -0,0 +1,9 @@
+export function AppFooter() {
+  return (
+    <footer style={{ padding: 12, borderTop: "1px solid #eee", marginTop: 24 }}>
+      © msg App
+    </footer>
+  );
+}
+
+

src/app/components/AppHeader.tsx

@@ -0,0 +1,13 @@
+export function AppHeader() {
+  return (
+    <header style={{ display: "flex", justifyContent: "space-between", padding: 12 }}>
+      <div>msg App</div>
+      <nav style={{ display: "flex", gap: 12 }}>
+        <a href="/">홈</a>
+        <a href="/boards">게시판</a>
+      </nav>
+    </header>
+  );
+}
+
+

src/app/components/AppSidebar.tsx

@@ -0,0 +1,12 @@
+export function AppSidebar() {
+  return (
+    <aside style={{ width: 200, borderRight: "1px solid #eee", padding: 12 }}>
+      <ul style={{ display: "flex", flexDirection: "column", gap: 8 }}>
+        <li><a href="/boards">게시판</a></li>
+        <li><a href="/admin">관리</a></li>
+      </ul>
+    </aside>
+  );
+}
+
+