[feature] Add links to Homebrew cask

Author: adamretter

README.md

@@ -14,6 +14,7 @@
 [![License](https://img.shields.io/badge/license-LGPL%202.1-blue.svg)](https://www.gnu.org/licenses/lgpl-2.1.html)
 [![Download](https://img.shields.io/github/v/release/evolvedbinary/elemental.svg)](https://github.com/evolvedbinary/elemental/releases/)
 [![Maven Central](https://img.shields.io/maven-central/v/xyz.elemental/elemental?logo=apachemaven&label=maven+central&color=green)](https://central.sonatype.com/search?namespace=xyz.elemental)
+[![Homebrew Cask Version](https://img.shields.io/homebrew/cask/v/elemental@6?logo=homebrew&logoColor=white)](https://formulae.brew.sh/cask/elemental@6)
 [![Docker Image Version](https://img.shields.io/docker/v/evolvedbinary/elemental?sort=semver&logo=docker&logoColor=white&label=docker)](https://hub.docker.com/r/evolvedbinary/elemental)
 [![Slack](https://img.shields.io/badge/elemental-slack-3e103f.svg)](https://join.slack.com/t/elemental-xyz/shared_invite/zt-34r53san4-fzHCV0vDT9lYSMChUdn3cQ)
 [![Code of Conduct](https://img.shields.io/badge/code%20of%20conduct-contributor%20covenant-%235e0d73.svg)](https://www.contributor-covenant.org/version/2/1/code_of_conduct.html)
@@ -35,6 +36,7 @@ The best place to seek help or support is in our public [Slack](https://join.sla
 
 -   **Homepage:** [https://www.elemental.xyz](https://www.elemental.xyz)
 -   **Binaries:** [https://www.elemental.xyz/downloads](https://www.elemental.xyz/downloads)
+-   **Homebrew:** [https://formulae.brew.sh/cask/elemental@6](https://formulae.brew.sh/cask/elemental@6)
 -   **Docker Images:** [https://hub.docker.com/r/evolvedbinary/elemental](https://hub.docker.com/r/evolvedbinary/elemental)
 -   **Documentation:** [https://www.elemental.xyz/documentation](https://www.elemental.xyz/documentation)
 -   **Book:** [https://www.oreilly.com/library/view/exist/9781449337094/](https://www.oreilly.com/library/view/exist/9781449337094/)