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[RoeeBenhouse]

1. Add one task and one meeting as future features - DONE
2. Cancel back button
3. http to get preview events
   GET
   user//homepage
   class EventEntity {
   constructor(
   id,
   event_manager_id,
   type,
   event_owners, <list >
   event_name,
   date,
   budget,
   location,
   event_schedule - just in client put empty,
   suppliers- just in client put empty
   )