Added rayex, elixir binding

BINDINGS.md

@@ -96,6 +96,7 @@ Some people ported raylib to other languages in form of bindings or wrappers to
 | raylib-never       | 3.0 | [Never](https://github.com/never-lang/never) | https://github.com/never-lang/raylib-never |
 | hb-raylib          | 3.5 | [Harbour](https://harbour.github.io)                 | https://github.com/MarcosLeonardoMendezGerencir/hb-raylib |
 | Relib              | 3.5 | [ReCT](https://github.com/RedCubeDev-ByteSpace/ReCT) | https://github.com/RedCubeDev-ByteSpace/Relib |
+| rayex              | 3.7 | [elixir](https://elixir-lang.org/)         | https://github.com/shiryel/rayex |
 | raylib.cbl         | 2.0 | [COBOL](https://en.wikipedia.org/wiki/COBOL)        | *[code examples](https://github.com/Martinfx/Cobol/tree/master/OpenCobol/Games/raylib)* |
 
 ### Utility Wrapers