Updated raylib architecture (markdown)

raylib-architecture.md

@@ -1,4 +1,4 @@
-![image](https://github.com/raysan5/raylib.com/blob/master/images/raylib_architecture_v3.7.png "raylib v3.7 architecture")
+![image](https://github.com/raysan5/raylib.com/blob/master/images/raylib_architecture_v4.0.png "raylib v4.0 architecture")
 
 raylib is a highly modular library. Everything is contained within a small number of well defined, specific and self-contained modules, each organized according to its primary functionality (nicely avoiding the huge tree of recursive dependencies, typical of other C libraries).