ADD: README.md: Badge for CodeQL and tag

README.md

@@ -3,8 +3,10 @@
 
 <p align="center">
   <a href="https://github.com/galantelab/sideRETRO/actions/workflows/ci.yml"><img alt="" src="https://github.com/galantelab/sideRETRO/actions/workflows/ci.yml/badge.svg?branch=master" align="center"></a>
-  <a href="https://sideretro.readthedocs.io/en/latest/?badge=latest"><img alt="" src="https://readthedocs.org/projects/sideretro/badge/?version=latest" align="center"></a>
+  <a href="https://github.com/galantelab/sideRETRO/actions?query=workflow:%22CodeQL%22"><img src="https://github.com/galantelab/sideRETRO/workflows/CodeQL/badge.svg" alt="CodeQL" align="center"></a>
   <a href="https://coveralls.io/github/galantelab/sideRETRO?branch=master"><img alt="" src="https://coveralls.io/repos/github/galantelab/sideRETRO/badge.svg?branch=master&kill_cache=1" align="center"></a>
+  <a href="https://sideretro.readthedocs.io/en/latest/?badge=latest"><img alt="" src="https://readthedocs.org/projects/sideretro/badge/?version=latest" align="center"></a>
+  <a href="https://github.com/galantelab/sideRETRO/tags/"><img src="https://img.shields.io/github/tag/galantelab/sideRETRO?include_prereleases=&sort=semver&color=blue" alt="GitHub tag" align="center"></a>
   <a href="https://hub.docker.com/r/galantelab/sider/tags"><img alt="" src="https://img.shields.io/badge/docker-%230db7ed.svg?style=flat&logo=docker&logoColor=white" align="center"></a>
 </p>