Added dashboard to Shop plugin.

shop/shopoverview.h

@@ -0,0 +1,27 @@
+#ifndef SHOPOVERVIEW_H
+#define SHOPOVERVIEW_H
+
+#include <QFrame>
+#include <idashboardwidget.h>
+
+namespace Ui {
+class ShopOverview;
+}
+
+class ShopOverview : public QFrame, public IDashboardWidget
+{
+    Q_OBJECT
+
+public:
+    explicit ShopOverview(QWidget *parent = 0);
+    ~ShopOverview();
+
+private:
+    Ui::ShopOverview *ui;
+
+    // IDashboardWidget interface
+public:
+    virtual void refresh() override;
+};
+
+#endif // SHOPOVERVIEW_H