add QSettings for config parsing

LenaPi/models/UiStateModel.h

@@ -20,6 +20,23 @@ signals:
     void sourceChanged();
 
 public:
+    /**
+     * @brief Provides the possibility to configure UI according to profile.
+     */
+    enum EProfile : uint{
+        /**
+         * @brief Profile designed for running LenaPi as window manager on Raspberry Pi Touch
+         *
+         * Start fullscreen and do NOT show close button or volume controls
+         */
+        Profile_RasPiTouch = 0,
+        /**
+          * @brief Profiled designed for running LenaPi as a desktop app.
+          *
+          * Start fullscreen, show close button and volume controls.
+          */
+        Profile_Desktop
+    };
     explicit UiStateModel(QObject *parent = nullptr);
 
     QUrl getSource() const;