feat: Sidebar 컴포넌트 구현

Author: yewonJin

frontend/src/components/sidebar/index.tsx

@@ -0,0 +1,17 @@
+import NoteList from "@/components/sidebar/NoteList";
+import TopNav from "@/components/sidebar/TopNav";
+import HorizontalDivider from "@/components/commons/divider/HorizontalDivider";
+
+export default function Sidebar() {
+  return (
+    <div className="w-64 rounded-lg bg-white p-2">
+      <div className="font-pretendard text-md flex flex-col gap-3 bg-white p-2 text-black">
+        <TopNav />
+        <HorizontalDivider />
+        <NoteList />
+      </div>
+    </div>
+  );
+}
+
+// truncate