Add EditorLogger to handle logging coming from engine

include/NazaraEditor/Core.hpp

@@ -3,6 +3,7 @@
 #include <NazaraEditor/Core/Core.hpp>
 #include <NazaraEditor/Core/Application/Action.hpp>
 #include <NazaraEditor/Core/Application/BaseApplication.hpp>
+#include <NazaraEditor/Core/Application/EditorLogger.hpp>
 #include <NazaraEditor/Core/Application/Level.hpp>
 #include <NazaraEditor/Core/Components/NameComponent.hpp>
 #include <NazaraEditor/Core/UI/Window.hpp>

include/NazaraEditor/Core/Application/EditorLogger.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <NazaraEditor/Core/Core.hpp>
+#include <Nazara/Core.hpp>
+
+namespace Nz
+{
+	class NAZARAEDITOR_CORE_API EditorLogger
+	{
+	public:
+		EditorLogger();
+		virtual ~EditorLogger();
+
+		static EditorLogger* Instance();
+
+		void Clear() { m_text.clear(); }
+
+		const std::vector<std::string>& GetLog() const { return m_text; }
+
+	private:
+		static EditorLogger* s_instance;
+		std::vector<std::string> m_text;
+	};
+}