Add Homebrew package to readme (#548)

Author: jaredledvina

README.md

@@ -61,6 +61,7 @@ If it does not, please open an issue!
 | [Arch Linux](https://www.archlinux.org)                              | [Yay](https://github.com/Jguer/yay)                | [intermodal-bin](https://aur.archlinux.org/packages/intermodal-bin)<sup>AUR</sup>                 | `yay -S intermodal-bin`                                                               |
 | [Arch Linux](https://www.archlinux.org)                              | [Yay](https://github.com/Jguer/yay)                | [intermodal](https://aur.archlinux.org/packages/intermodal)<sup>AUR</sup>                         | `yay -S intermodal`                                                                   |
 | [Arch Linux](https://www.archlinux.org)                              | Manual Installation                                | [intermodal](https://aur.archlinux.org/packages/intermodal)<sup>AUR</sup>                         | [wiki](https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages) |
+| [macOS](https://www.apple.com/macos/)                                | [Homebrew](https://brew.sh)                        | [intermodal](https://github.com/Homebrew/homebrew-core/blob/master/Formula/i/intermodal.rb)       | `brew install intermodal`                                                             |
 | [Void Linux](https://voidlinux.org)                                  | [XBPS](https://docs.voidlinux.org/xbps/index.html) | [intermodal](https://github.com/void-linux/void-packages/blob/master/srcpkgs/intermodal/template) | `xbps-install -S intermodal`                                                          |
 | [Windows](https://www.microsoft.com/en-us/windows)                   | [Scoop](https://scoop.sh)                          | [intermodal](https://github.com/ScoopInstaller/Main/blob/master/bucket/intermodal.json)           | `scoop install intermodal`                                                            |
 

bin/gen/config.yaml

@@ -73,6 +73,11 @@ packages:
   package:          '[intermodal](https://aur.archlinux.org/packages/intermodal)<sup>AUR</sup>'
   command:          '[wiki](https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages)'
 
+- operating-system: '[macOS](https://www.apple.com/macos/)'
+  package-manager:  '[Homebrew](https://brew.sh)'
+  package:          '[intermodal](https://github.com/Homebrew/homebrew-core/blob/master/Formula/i/intermodal.rb)'
+  command:          '`brew install intermodal`'
+
 - operating-system: '[Void Linux](https://voidlinux.org)'
   package-manager:  '[XBPS](https://docs.voidlinux.org/xbps/index.html)'
   package:          '[intermodal](https://github.com/void-linux/void-packages/blob/master/srcpkgs/intermodal/template)'