重构项目src框架，添加c#脚本功能

Sandbox/src/SandboxApp.cpp

@@ -1,21 +1,20 @@
 #include <Hazel.h>
 #include "Hazel/Core/EntryPoint.h"
-
-#include "Editor/EditorLayer.h"
+#include "SandBox2D/SandBox2D.h"
 
 
 namespace Hazel
 {
-	class HazelEditor : public Application
+	class Sandbox : public Application
 	{
 	public:
-		HazelEditor(const ApplicationSpecification& specification)
+		Sandbox(const ApplicationSpecification& specification)
 			: Application(specification)
 		{
-			PushLayer(new EditorLayer());
+			PushLayer(new SandBox2D());
 		}
 
-		~HazelEditor() = default;
+		~Sandbox() = default;
 
 	};
 
@@ -23,9 +22,9 @@ namespace Hazel
 	Application* CreateApplication(ApplicationCommandLineArgs args)
 	{
 		ApplicationSpecification spec;
-		spec.name = "Editor app";
+		spec.name = "Sandbox2D";
 		spec.commandLineArgs = args;
 
-		return new HazelEditor(spec);
+		return new Sandbox(spec);
 	}
 }