text: #include "src/h/mainwindow.h"
  #include "mainwindow3.h"
  
  #include <QApplication>
  #include <QFontDatabase>
  
  int main(int argc, char *argv[])
  {
      QApplication a(argc, argv);
      QFontDatabase::addApplicationFont(":/fonts/Kreon-Regular.ttf");
  //    MainWindow w;
  //    w.show();
  
  
      MainWindow3 w2;
      w2.show();
  
  
      return a.exec();
  }
  