raylib 4.2 header for pascal

New raylib release! Nine months after latest raylib, here it is a new version. It was supposed to be just a small update but, actually, it's a huge update with lots of changes and improvements. It has been possible thanks to the many contributors that have helped with issues and improvements, it's the update with more contributors to date and that's amazing!

+20 functions ADDED to raylib
+60 functions REVIEWED/REDESIGNED
Linux Static libraries. Included raygui and physics