load method
Implementation
Future<bool> load() async {
ByteData bytes = await rootBundle
.load('${kLanguagePath}lang_${locale.languageCode}.json');
String jsonString = utf8.decode(bytes.buffer.asUint8List());
Map<String, dynamic> jsonMap = json.decode(jsonString);
_localizedStrings =
jsonMap.map((key, value) => MapEntry(key, value.toString()));
return true;
}