getPerson method
Will get a collection of PcoServicesPerson objects (expecting one)
using a path like this: https://api.planningcenteronline.com/services/v2/people/1/plan_people/1/person
Implementation
Future<PcoCollection<PcoServicesPerson>> getPerson(
{PcoServicesPersonQuery? query}) async {
query ??= PcoServicesPersonQuery();
var url = '$apiEndpoint/person';
return PcoCollection.fromApiCall<PcoServicesPerson>(url,
query: query, apiVersion: apiVersion);
}