adding proxy models and search to all sql models

src/cpp/imagesqlmodel.h

@@ -2,6 +2,7 @@
 #define IMAGESQLMODEL_H
 
 #include <QSqlTableModel>
+#include <QSortFilterProxyModel>
 #include <qobject.h>
 #include <qobjectdefs.h>
 #include <qqml.h>
@@ -46,4 +47,15 @@ private:
     QUrl m_filePath;
 };
 
+class ImageProxyModel : public QSortFilterProxyModel
+{
+  Q_OBJECT
+
+public:
+  explicit ImageProxyModel(QObject *parent = nullptr);
+  
+  
+};
+
+
 #endif //IMAGESQLMODEL_H