Add raylib-sunder to BINDINGS.md (#2958)

Author: ashn-dot-dev

BINDINGS.md

@@ -70,6 +70,7 @@ Some people ported raylib to other languages in form of bindings or wrappers to
 | raylib-zig         | **4.2** | [Zig](https://ziglang.org/)               | MIT | https://github.com/Not-Nik/raylib-zig     |
 | raylib.zig         | **4.2** | [Zig](https://ziglang.org/)               | MIT | https://github.com/ryupold/raylib.zig |
 | hare-raylib        | auto    | [Hare](https://harelang.org/)        | Zlib | https://git.sr.ht/~evantj/hare-raylib       |
+| raylib-sunder      | auto    | [Sunder](https://github.com/ashn-dot-dev/sunder) | 0BSD | https://github.com/ashn-dot-dev/raylib-sunder |