Using the provided API (documented in more detail below), build a small UI fulfilling the following criteria:

The UI should provide a list of notes currently in the system The UI should list notes created within the last 6 months only by default The UI should provide the ability to toggle the list to display all notes The UI should provide the ability to create a new note using a modal The UI should validate and provide feedback for the following when creating a new note: The note itself is required The note cannot exceed 500 characters You do not need to build a full application shell, we're more interested in the above functionality.