feat: add versionChanger for GUI

InstructorsAndTrainees/widgets/newversionwidget.cpp

@@ -0,0 +1,37 @@
+#include "newversionwidget.h"
+#include "ui_newversionwidget.h"
+
+NewVersionWidget::NewVersionWidget(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::NewVersionWidget)
+{
+    ui->setupUi(this);
+    setWindowFlags(Qt::SubWindow);
+    setAttribute(Qt::WA_ShowModal,true);
+}
+
+void NewVersionWidget::initialize(VersionSelectWidget *versionSelectWidget, QString prevName)
+{
+    this->versionSelectWidget = versionSelectWidget;
+    ui->prevVerValue->setText(prevName);
+}
+
+
+void NewVersionWidget::on_createButton_clicked()
+{
+    if(ui->lineEdit->text() != "")
+    {
+        versionSelectWidget->sendCopyEmit(ui->lineEdit->text());
+        hide();
+    }
+}
+
+void NewVersionWidget::on_cancelButton_clicked()
+{
+    hide();
+}
+
+NewVersionWidget::~NewVersionWidget()
+{
+    delete ui;
+}