Update the brew support.

Signed-off-by: corvofeng <corvofeng@gmail.com>

README.md

@@ -8,8 +8,21 @@ A Golang version of [tmuxinator](https://github.com/tmuxinator/tmuxinator)
 
 > Most of the code is generated by ChatGPT.
 
+## Installation
 
+```bash
+# Macos
+brew install corvofeng/tap/gmux
 
+# Linux
+cd /tmp
+rm -rfv gmux_linux_amd64.tar.gz
+wget https://github.com/corvofeng/gmux/releases/latest/download/gmux_linux_amd64.tar.gz
+tar -zxvf gmux_linux_amd64.tar.gz
+sudo install -v gmux /usr/local/bin
+```
+
+## Usage
 
 ```
 mkdir ~/.tmuxinator
@@ -27,15 +40,8 @@ windows:
   - p3: htop
 ' > ~/.tmuxinator/gmux.yml
 
-cd /tmp
-rm -rfv gmux_linux_amd64.tar.gz
-wget https://github.com/corvofeng/gmux/releases/latest/download/gmux_linux_amd64.tar.gz
-tar -zxvf gmux_linux_amd64.tar.gz
-sudo install -v gmux /usr/local/bin
-
 gmux -p gmux
 ```
-
 Here is an example:
 
 [![asciicast](https://asciinema.org/a/lVIIOwzWwFAL611IwUeZpohoy.svg)](https://asciinema.org/a/lVIIOwzWwFAL611IwUeZpohoy)