QString get_note_description_html(int note_num){
    QString data;
    QString html_filename;
    switch (note_num){
    {
        case 1:
            html_filename = "1.html";
            break;
        case 2:
            html_filename = "2.html";
            break;
        default:
            html_filename ="1.html";
    }
    QFile file(":/html/1.htm"); // тут вписывай путь к html с описанием
    if(!file.open(QIODevice::ReadOnly)) {
        qDebug()<<"filenot opened"<<endl;
    }
    else
    {
        qDebug()<<"file opened"<<endl;
        data = QString::fromLocal8Bit(file.readAll());
    }
    return data;
}