/*
  name is required
  leader is required
  type is required
  privacy is required
  leaderOnly.challenges is required
  members are not stored anymore
  invites are not stored anymore
  challenges are not stored anymore
  balance > 0
  memberCount must be checked
  challengeCount must be checked
  quest.leader must be present (default to party leader)
  quest.key must be valid (otherwise remove)

  tavern id and leader must be updated
*/