Add badge for MacOS rummer

Author: drwetter

Readme.md

@@ -7,7 +7,8 @@
 ![GitHub Created At](https://img.shields.io/github/created-at/testssl/testssl.sh)
 ![GitHub last commit](https://img.shields.io/github/last-commit/testssl/testssl.sh)
 ![GitHub commit activity](https://img.shields.io/github/commit-activity/m/testssl/testssl.sh)
-[![CI tests](https://github.com/testssl/testssl.sh/actions/workflows/unit_tests_ubuntu.yml/badge.svg)](https://github.com/testssl/testssl.sh/actions/workflows/unit_tests_ubuntu.yml)
+[![CI test Ubuntu](https://github.com/testssl/testssl.sh/actions/workflows/unit_tests_ubuntu.yml/badge.svg)](https://github.com/testssl/testssl.sh/actions/workflows/unit_tests_ubuntu.yml)
+[![CI test MacOS](https://github.com/testssl/testssl.sh/actions/workflows/unit_tests_macos.yml/badge.svg)](https://github.com/testssl/testssl.sh/actions/workflows/unit_tests_macos.yml)
 [![Docker](https://img.shields.io/docker/pulls/drwetter/testssl.sh)](https://github.com/testssl/testssl.sh/blob/3.2/Dockerfile.md)
 ![Mastodon Follow](https://img.shields.io/mastodon/follow/109319848143024146?domain=infosec.exchange)
 [![Bluesky](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fpublic.api.bsky.app%2Fxrpc%2Fapp.bsky.actor.getProfile%2F%3Factor%3Dtestssl.bsky.social&query=%24.followersCount&style=social&logo=bluesky&label=Follow%20%40testssl.sh)