Hebrew Calendar Scheduling

[niccokunzmann]

The Hebrew Calendar is one of the calendars specified by RFC 7529 that is not based on the Gregorian Calendar.

Add Hebrew calendar scheduling

• create tests
  • different Hebrew date conversion single events
  • recurring with skip
  • recurring with leap
  • calendar with many Hebrew celebrations scheduled yearly and correctly for the next 20 years
• cross tests with google calendar
• document this feature
• change the badge
• blog post

@abe-101 I would discuss this here in this issue