add hoembrew instructions

Author: pmenglund

.goreleaser.yaml

@@ -44,6 +44,6 @@ brews:
     description: 'Rockset CLI'
     repository:
       owner: rockset
-      name: homebrew
+      name: homebrew-cli
       branch: main
       token: "{{ .Env.HOMEBREW_GITHUB_AUTH_TOKEN }}"

README.md

@@ -5,6 +5,13 @@
 [![GitHub issues](https://img.shields.io/github/issues/rockset/cli.svg)](https://github.com/rockset/cli/issues)
 [![Release](https://img.shields.io/github/release/rockset/cli.svg?label=Release)](https://github.com/rockset/cli/releases)
 
+## Installation
+
+```shell
+brew tap rockset/cli
+brew install rockset
+```
+
 ## Usage
 
 The Rockset cli can be used as an alternative to the [console](https://console.rockset.com/),