Update Readme.md

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Author: drwetter

Readme.md

@@ -10,6 +10,7 @@
 [![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)
 [![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)
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 `testssl.sh` is a free command line tool which checks a server's service on