Move OBSDock definition

src/utils/obs-dock.hpp

@@ -0,0 +1,10 @@
+#pragma once
+#include <QDockWidget>
+
+// QDockWidget wrapper enable applying "OBSDock" stylesheet
+class OBSDock : public QDockWidget {
+	Q_OBJECT
+
+public:
+	inline OBSDock(QWidget *parent = nullptr) : QDockWidget(parent) {}
+};