Added time duration and countdown duration to game tab

GamesPanel.h

@@ -4,6 +4,7 @@
 #include <QWidget>
 
 class QLabel;
+class QLineEdit;
 class QListWidget;
 class QPushButton;
 
@@ -31,6 +32,8 @@ private:
 
     // Right pane
     QListWidget *m_installedList   = nullptr;
+    QLineEdit   *m_timeEdit        = nullptr;
+    QLineEdit   *m_countdownEdit   = nullptr;
     QPushButton *m_startBtn        = nullptr;
     QPushButton *m_stopBtn         = nullptr;