fix: readme

Author: BCsabaEngine

README.md

@@ -3,6 +3,8 @@
 ![](https://flat.badgen.net/badge/use/jest/green)
 ![](https://flat.badgen.net/badge/use/lint/purple)
 
+[![DEV pipeline](https://github.com/BCsabaEngine/docker-hub-tags/actions/workflows/ci-dev.yaml/badge.svg)](https://github.com/BCsabaEngine/docker-hub-tags/actions/workflows/ci-dev.yaml)
+
 # Docker-Hub-Tags
 
 NodeJS lib, with which you can easily find the latest version of Docker Hub images.