Add skeleton for dropdown component

components/ui/Dropdown.tsx

@@ -0,0 +1,19 @@
+import { useState } from "react";
+import Button from "./Button";
+
+export default function Dropdown({ children }: { children: React.ReactNode }) {
+  const [dropped, setDropped] = useState<boolean>(false);
+
+  return (
+    <div>
+      <Button
+        title="Drop down"
+        mode="DARK"
+        onClick={() => {
+          setDropped(!dropped);
+        }}
+      ></Button>
+      {dropped && <div>{children}</div>}
+    </div>
+  );
+}