fetchVersions method
Fetches release versions.
Implementation
Future<List<AppVersion>> fetchVersions() async {
final json = await _sendJson(
method: 'GET',
path: '/api/v1/public/versions/${config.appKey}',
);
final list = (json['versions'] as List<dynamic>? ?? [])
.map((v) => AppVersion.fromJson(v as Map<String, dynamic>))
.toList();
list.sort((a, b) => a.position.compareTo(b.position));
return list;
}