Ability to import holiday calendars from .ics files [2.2.x]

To import a calendar with predefined holidays, follow the below presented steps (this is possible only for HR members):

1. Open "Vacations" menu
2. Access "Management"
3. Enter "Holiday Schemes"
4. Click on "Edit" next to a scheme that you wish to enrich with holidays from .ics file.

After doing so, you should get to a view like presented below:

After clicking "Import" (1) and selecting locally an .icf file

As an outcome you will get calendar filled with data from the file:

Added days from .icf file(s) are not treated as automatically recurring next calendar year (whilst in fact some happen cyclically - i.e. 1st of May).