Some project structure fixes

engine/CMakeLists.txt

@@ -2,6 +2,8 @@ add_library(engine STATIC
     src/Engine.cpp
 )
 
+target_compile_features(engine PUBLIC cxx_std_23)
+
 target_include_directories(engine
     PUBLIC  ${CMAKE_CURRENT_SOURCE_DIR}/include
     PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src

engine/include/Engine.hpp

@@ -1 +1 @@
-#pragma once
+#pragma once