Started implementing deficated editor GUI

src/gamedata/AppModule.cpp

@@ -0,0 +1,15 @@
+#include "AppModule.h"
+namespace ECS
+{
+AppModule::AppModule(flecs::world &ecs)
+{
+	ecs.module<AppModule>();
+	ecs.component<App>()
+		.on_add([](App &app) {
+			app.mInput = nullptr;
+			app.mGuiOverlay = nullptr;
+			app.listeners.clear();
+		})
+		.add(flecs::Singleton);
+}
+}