initSDK method
Implementation
@override
Future<bool> initSDK(List<String> licenses,
[String? masterLicenseSignature]) async {
final licenceFiles = await Future.wait(licenses.map(_copyAsset));
final result = await methodChannel.invokeMethod<bool>('init', {
'licenses': licenceFiles,
'masterLicenseSignature': masterLicenseSignature,
});
return result ?? false;
}