Downloads folder now is movable

ui/widgets/settings/settings.h

@@ -5,8 +5,10 @@
 #include <QListWidgetItem>
 #include <QScopedPointer>
 #include <QSettings>
+#include <QDir>
 
 #include "shared/global.h"
+#include "shared/pathcheck.h"
 
 namespace Ui
 {
@@ -23,6 +25,9 @@ public:
     Settings(QWidget* parent = nullptr);
     ~Settings();
 
+signals:
+    void changeDownloadsPath(const QString& path);
+
 public slots:
     void apply();
     void confirm();