UI: Add stats reset hotkey

UI/window-basic-stats.hpp

@@ -56,7 +56,6 @@ class OBSBasicStats : public QWidget {
 
 	void AddOutputLabels(QString name);
 	void Update();
-	void Reset();
 
 	virtual void closeEvent(QCloseEvent *event) override;
 
@@ -77,6 +76,9 @@ private:
 private slots:
 	void RecordingTimeLeft();
 
+public slots:
+	void Reset();
+
 protected:
 	virtual void showEvent(QShowEvent *event) override;
 	virtual void hideEvent(QHideEvent *event) override;