Add app sidebar

frontend/src/components/TopBar.tsx

@@ -0,0 +1,15 @@
+interface TopBarProps {
+    title: string;
+    button?: React.ReactNode;
+}
+
+const TopBar = ({ title, button }: TopBarProps) => {
+    return (
+        <div className="flex items-center justify-between my-4">
+            <h1 className="text-2xl font-semibold">{title}</h1>
+            {button}
+        </div>
+    );
+};
+
+export default TopBar;