feat: loading base version

mainwindow.h

@@ -18,6 +18,7 @@
 #include "mywinheader.h"
 #include "updatenotifywidget.h"
 #include "updatewidget.h"
+#include "versionselectwidget.h"
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
@@ -51,6 +52,7 @@ signals:
                             SendSystem *sendSystem,
                             QThread *thread);
     void sigSendCommand(QString command);
+    void sigSendXMLAnswer(QString answer);
     void sigUpdateFilesOnServer(QList<FileData> *fileSendList);
     void sigSetConnect(ServerSettings* serverSettings,QThread *thread);
     void sigCalculateHash();
@@ -86,6 +88,8 @@ private:
     InstructorButtonGroupWidget *instructorButtonGroupWidget;
     EntryWidget *entryWidget;
     UpdateWidget *updateTextWidget;
+    VersionSelectWidget *versionSelectWidget;
+
     QTranslator translator;
     TCPClient *client;
     DataParser *dataParser;