Resource: https://developer.apple.com/documentation/usernotifications

Objective: Complete all the tasks to complete the Notification Manager.

Task 1: Instantiate Notification Manager (This is done for you.)

Task 2: Request authorization for notifications

Task 3: Create notification and send notification request

Task 4: Cancel Notifications

Task 5: Implement Time Interval Notification Trigger

Task 6: Implement Calendar Notification Trigger

Task 7: Implement Location Notification Trigger