public async Task SaveDataAsync <T>(List <T> data)
{
string json = await Task.Factory.StartNew(() => JsonConvert.SerializeObject(data));
string fileName = GetFileNameFrom(typeof(T));
Stream stream = await _fileAccessor.GetWritableStreamAsync(fileName);
using (var streamWriter = new StreamWriter(stream))
{
await streamWriter.WriteAsync(json);
}
}