Description du projet
1. Number of tasks per time interval with a repetition period N.
2. Checking whether the task is present at this date.
For example: water the flowers every N days or weeks or months or years from that date to another.
Input:
1) Start date
End date
(3) Repeat interval
4) Type of repetition interval: day/week/month/year
* The end date cannot be used to verify the existence of a task at the date, as it may not be