message: "demote" macOS support
diff: @@ -53,8 +53,8 @@ your own libraries atop ggez.
  ### Supported platforms
  - * Fully supported: Windows, Linux, MacOS
  - * Not officially supported but might work anyway: Android, iOS, Web
  + * Fully supported: Windows, Linux
  + * Not officially supported but might work anyway: MacOS, Android, iOS, Web
  For details, see [docs/BuildingForEveryPlatform.md](docs/BuildingForEveryPlatform.md)
  