Create new people(Person) in the designated Folder via batch.
Example in C#
// Returns: Int32
var item = await client.AddPeopleBatchAsync(FolderInfo folder, PersonInfo batch);
Example in C#
// Returns: Int32
var item = await client.AddPeopleBatchAsync(FolderInfo folder, PersonInfo batch, Boolean autoGenerateCardNumber, Boolean autoIncrementCardNumber);