doc/md: add homebrew installation instructions to docs (#593)

README.md

@@ -21,23 +21,12 @@ be used individually but are designed to work very well together.
 
 ## Quick Installation
 
-Download latest release.
-```shell
-curl -LO https://release.ariga.io/atlas/atlas-darwin-amd64-latest
-```
+On macOS:
 
-Make the atlas binary executable.
 ```shell
-chmod +x ./atlas-darwin-amd64-latest
+brew install ariga/tap/atlas
 ```
 
-Move the atlas binary to a file location on your system PATH.
-```shell
-sudo mv ./atlas-darwin-amd64-latest /usr/local/bin/atlas
-```
-```shell
-sudo chown root: /usr/local/bin/atlas
-```
 Instructions for other platforms and databases: [Getting Started](https://atlasgo.io/).
 
 ## Getting Started

doc/md/getting-started/01-introduction.mdx

@@ -20,13 +20,23 @@ the schema of a local database that we will run inside a Docker container.
 ### Install the CLI
 
 <Tabs
-defaultValue="apple-intel"
+defaultValue="apple-intel-brew"
 values={[
-{label: 'MacOS', value: 'apple-intel'},
+{label: 'macOS (Homebrew)', value: 'apple-intel-brew'},
+{label: 'macOS (Plain)', value: 'apple-intel-plain'},
 {label: 'Linux', value: 'linux'},
 {label: 'Windows', value: 'windows'},
 ]}>
-<TabItem value="apple-intel">
+<TabItem value="apple-intel-brew">
+
+Get the latest release with [Homebrew](https://brew.sh/):
+
+```shell
+brew install ariga/tap/atlas
+```
+
+</TabItem>
+<TabItem value="apple-intel-plain">
 
 Download latest release.
 ```shell