ADD sidebar and REFACTOR buttons

frontend/src/components/buttons/MenuButton.tsx

@@ -0,0 +1,14 @@
+import React from "react";
+
+type Props = React.ButtonHTMLAttributes<HTMLButtonElement>;
+
+const MenuButton: React.FC<Props> = ({ className = "", ...props }) => {
+    return (
+        <button
+            className={`text-gray-800 text-base px-3 py-2 rounded-lg hover:bg-gray-100 hover:text-black transition-colors duration-200 ${className}`}
+            {...props}
+        />
+    );
+};
+
+export default MenuButton;