public static void AddWordToList(Group g, Word newWord)
{
var wordsList = VocabularySerializer.Deserialize(g.Words);
wordsList.Add(newWord);
g.Words = VocabularySerializer.Serialize(wordsList);
}
async void OnSaveButtonClicked(object sender, EventArgs e)
{
var group = (Group)BindingContext;
group.Words = VocabularySerializer.Serialize(_words);
group.Size = _words.Count;
await App.Database.SaveGroupAsync(group);
await Navigation.PopAsync();
}