refactor: separate network class from Qgraphics

src/gui/network/Network.cpp

@@ -0,0 +1,18 @@
+#include "gui/network/Network.h"
+#include "gui/network/NetworkGraphicsView.h"
+#include "gui/network/NetworkGraphicsScene.h"
+#include <qboxlayout.h>
+#include <QPushButton>
+
+Network::Network(QWidget* parent)
+{
+
+    mainLayout_ = new QVBoxLayout(parent);
+
+    this->setLayout(mainLayout_); 
+
+    NetworkGraphicsScene* scene = new NetworkGraphicsScene();
+    NetworkGraphicsView* view = new NetworkGraphicsView(parent, scene);
+    
+    mainLayout_->addWidget(view);
+}