chore: Adjust default window size and viewport orientation

src/MainWindow.cpp

@@ -21,7 +21,7 @@ MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
 {
     setWindowTitle("OpenCAD");
-    resize(1280, 720);
+    resize(1920, 1080);
 
     QMenu *fileMenu = menuBar()->addMenu("&File");
     QAction *newAction = fileMenu->addAction("&New");