Adding a scene manger and wal functions

lib/wal/sources/Scene/Scene.hpp

@@ -0,0 +1,20 @@
+//
+// Created by Zoe Roux on 2021-05-14.
+//
+
+
+#pragma once
+
+#include <vector>
+#include "Entity/Entity.hpp"
+
+namespace WAL
+{
+	//! @brief Represent a single scene that contains entities.
+	class Scene
+	{
+	private:
+		//! @brief The list of registered entities
+		std::vector<Entity> _entity;
+	};
+}