Organize files in project

Sources/XXClient/Group/Functions/GroupGetId.swift

Sources/XXClient/Group/Functions/GroupGetInitMessage.swift

Sources/XXClient/Group/Functions/GroupGetMembership.swift

Sources/XXClient/Group/Functions/GroupGetName.swift

Sources/XXClient/Group/Functions/GroupGetTrackedId.swift

Sources/XXClient/Group/Functions/GroupSerialize.swift

Sources/XXClient/GroupChat/Functions/GroupChatGetGroup.swift

...ces/XXClient/GroupChat/Functions/GroupChatGetGroups.swift

...ces/XXClient/GroupChat/Functions/GroupChatJoinGroup.swift

...es/XXClient/GroupChat/Functions/GroupChatLeaveGroup.swift

...ces/XXClient/GroupChat/Functions/GroupChatMakeGroup.swift

...ces/XXClient/GroupChat/Functions/GroupChatNumGroups.swift

...XXClient/GroupChat/Functions/GroupChatResendRequest.swift

Sources/XXClient/GroupChat/Functions/GroupChatSend.swift

...nt/UserDiscovery/Functions/UserDiscoveryConfirmFact.swift

...ent/UserDiscovery/Functions/UserDiscoveryGetContact.swift

...lient/UserDiscovery/Functions/UserDiscoveryGetFacts.swift

...XXClient/UserDiscovery/Functions/UserDiscoveryGetId.swift

...overy/Functions/UserDiscoveryPermanentDeleteAccount.swift

...ent/UserDiscovery/Functions/UserDiscoveryRemoveFact.swift