Preliminary settings work

src/frontend/CPUSettings.hpp

@@ -0,0 +1,14 @@
+#pragma once
+#include <QWidget>
+#include <QComboBox>
+#include <JSONUtils.hpp>
+
+class CPUSettings : public QWidget {
+  QComboBox* cpuTypes = new QComboBox;
+  Q_OBJECT
+public:
+  CPUSettings(nlohmann::json&);
+  nlohmann::json& settings;
+Q_SIGNALS:
+  void modified();
+};