os: brief note on Amethyst tiling manger for macos

Resolve #5

docs/os/macosx.md

@@ -8,9 +8,13 @@ A BSD based Unix system with commercial Graphic Desktop shell created by Apple.
     Otherwise, testing relies on the community for confirmation and corrections.
 
 
-## Yabai Tiling manager
+## Window Tiling manager
 
-[Yabai Tiling window management - MacOSX](https://github.com/koekeishiya/yabai){target=_blank .md-button} 
+[Amethyst](https://ianyh.com/amethyst/){target=_blank} provides an automatic tiling window manager for MacOS.
+
+Enable ++ctrl++ ++1++ ... ++5++ in the MacOS keybinding settings to control switching between the first 5 workspaces. Place the most commonly used apps on each of these workspaces to quickly switch between them.
+
+[:fontawesome-brands-github: Amethyst Tiling window management - MacOSX](https://github.com/ianyh/Amethyst){target=_blank .md-button}
 
 
 ## Homebrew
@@ -22,7 +26,7 @@ Open Source development tools are available via homebrew, a community managed di
     /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
     ```
 
-### Clojure 
+### Clojure
 
 !!! INFO "OpenJDK required for Clojure"
     Install [OpenJDK from Adoptium](https://adoptium.net/) or search for `openjdk@21` on Homebrew
@@ -33,5 +37,4 @@ The Clojure maintainers provide a [Homebrew Tap for Clojure](https://github.com/
     ```shell
     brew install clojure/tools/clojure
     ```
-> `bash` and `curl` are required, as is `rlwrap` if using the `clj` wrapper. 
-
+> `bash` and `curl` are required, as is `rlwrap` if using the `clj` wrapper.