Add more placeholder components and some mocks

web/components/ui/NotifyReminderPopup/NotifyReminderPopup.tsx

@@ -0,0 +1,6 @@
+/* eslint-disable @typescript-eslint/no-unused-vars */
+interface Props {}
+
+export default function NotifyReminderPopup(props: Props) {
+  return <div>Popup reminder goes here</div>;
+}