improve proj

- remove VTImage.hpp to make sure stb image do not need external project to ref.
- finish CKStateChunk write part. add some compatibilty code.
- add debugger pause function
- add filename getter for CKPathManager.

LibCmo/CK2/DataHandlers/CKBitmapHandler.cpp

@@ -1,4 +1,6 @@
 #include "CKBitmapHandler.hpp"
+#include "stb_image.h"
+#include "stb_image_write.h"
 
 namespace LibCmo::CK2::DataHandlers {