add stream manager ui

src/stream_manager_ui.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <solanaceae/object_store/fwd.hpp>
+#include "./frame_streams/stream_manager.hpp"
+
+class StreamManagerUI {
+	ObjectStore2& _os;
+	StreamManager& _sm;
+
+	bool _show_window {false};
+
+	public:
+		StreamManagerUI(ObjectStore2& os, StreamManager& sm);
+
+		void render(void);
+};
+