currentUserFollows method
Checks if the current user follows given artists or users.
type should be either 'artist' or 'user'.
Implementation
Future<List<bool>> currentUserFollows(List<String> ids, String type) async {
final params = {
'type': type,
'ids': ids.join(','),
};
final url = Uri.https(_baseApiHost, '/v1/me/following/contains', params);
final List<dynamic> json = await _getJson(url);
return json.map((e) => e as bool).toList();
}