docs: add homebrew installation

shipengqi · shipengqi · commit 6ce797c39f6d · 2025-09-29T09:17:20.000+08:00
diff --git a/README.md b/README.md
@@ -73,6 +73,14 @@ $ git cz
 
 ## Installation
 
+### Homebrew
+
+```bash
+$ brew tap shipengqi/casks
+$ brew install commitizen
+$ sudo commitizen init
+```
+
 ### Scoop (Windows)
 
 ```bash
