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