getStats method
Will get a collection of PcoPeopleOrganizationStatistic objects (expecting many)
using a path like this: https://api.planningcenteronline.com/people/v2/stats
Implementation
Future<PcoCollection<PcoPeopleOrganizationStatistic>> getStats(
{PcoPeopleOrganizationStatisticQuery? query}) async {
query ??= PcoPeopleOrganizationStatisticQuery();
var url = '$apiEndpoint/stats';
return PcoCollection.fromApiCall<PcoPeopleOrganizationStatistic>(url,
query: query, apiVersion: apiVersion);
}