Add Qt screen widget

src/panda_qt/main.cpp

@@ -1,12 +1,17 @@
 #include <QApplication>
 #include <QtWidgets>
 
+#include "panda_qt/screen.hpp"
+
 int main(int argc, char *argv[]) {
-    QApplication app(argc, argv);
-    QWidget window;
-    
-    window.resize(320, 240);
-    window.show();
-    window.setWindowTitle("Alber");
-    return app.exec();
+	QApplication app(argc, argv);
+	QWidget window;
+
+	window.resize(320, 240);
+	window.show();
+	window.setWindowTitle("Alber");
+	ScreenWidget screen(&window);
+	screen.show();
+
+	return app.exec();
 }