Sync SDL3_net wiki -> header

SDLWikiBot · SDLWikiBot · commit 83eec6733cab · 2026-05-17T18:58:24.000Z
[ci skip]
diff --git a/docs/INTRO-cmake.md b/docs/INTRO-cmake.md
@@ -39,7 +39,7 @@ Run:
 ```sh
 cd build/Debug
 ./hello
-``` 
+```
 - On other platforms the executable is in the build directory:
 ```sh
 cd build
