doc: updated credits.

doc/credits.dox

@@ -165,6 +165,8 @@ Are the below lists missing your name or something's wrong?
 -   **Joel Clay** ([\@jclay](https://github.com/jclay)) --- Vcpkg packages
 -   **John Laxson** ([\@jlaxson](https://github.com/jlaxson)) --- Homebrew
     package improvements
+-   **John Turner** ([\@jturner65](https://github.com/jturner65)) ---
+    documentation improvements
 -   **Jonathan Hale** ([\@Squareys](https://github.com/Squareys)) ---
     @ref Audio and @ref Trade library enhancements,
     @ref Platform::GlfwApplication and @ref Platform::EmscriptenApplication

src/Magnum/Math/Functions.h

@@ -8,6 +8,7 @@
     Copyright © 2020 Nghia Truong <nghiatruong.vn@gmail.com>
     Copyright © 2020 Pablo Escobar <mail@rvrs.in>
     Copyright © 2020 janos <janos.meny@googlemail.com>
+    Copyright © 2024 John Turner <7strbass@gmail.com>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),