Add RenderConfig, combining common parameters

gui/renderconfig.h

@@ -0,0 +1,12 @@
+#ifndef RENDERCONFIG_H
+#define RENDERCONFIG_H
+#include <QVector>
+
+struct RenderConfig
+{
+	double scaleX = 50 / 100.;
+	double scaleY = scaleX;
+	QVector<QString> wordsToHighlight;
+};
+
+#endif // RENDERCONFIG_H