post method
Implementation
Future<dynamic> post({
  required String endpoint,
  String? baseUrl,
  dynamic body,
  Map<String, dynamic>? queryParams,
  Map<String, dynamic>? headers,
  bool showErrorToast = true,
}) async {
  return _executeRequest(
    endpoint: endpoint,
    baseUrl: baseUrl,
    queryParams: queryParams,
    headers: headers,
    body: body,
    method: 'POST',
    showErrorToast: showErrorToast,
  );
}