feat: zoom and pan in networkView

src/gui/network/NetworkGraphicsScene.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <QGraphicsScene>
+
+class NetworkGraphicsScene
+: public QGraphicsScene
+{
+public:
+    NetworkGraphicsScene(QGraphicsView *parent = nullptr);
+private:
+    QGraphicsView* parent_;
+protected:
+    void wheelEvent(QGraphicsSceneWheelEvent *wheelEvent) override;
+
+};