feat: add node icons

src/gui/network/NodeIconGraphic.h

@@ -0,0 +1,12 @@
+#pragma once
+#include <QGraphicsSvgItem>
+
+class NodeIconGraphic
+: public QGraphicsSvgItem
+{
+public:
+    NodeIconGraphic(const QString &fileName, QGraphicsItem *parent = nullptr);
+protected:
+    // void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
+
+};