doc: add pipeline badge

README.md

 # PyPI to Docker missing version
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://lab.frogg.it/swepy/cicd-templates/pypi-to-docker-missing-version/-/blob/main/LICENSE)
+[![Pipeline](https://lab.frogg.it/swepy/cicd-templates/pypi-to-docker-missing-version/badges/0.1.1/pipeline.svg)](https://lab.frogg.it/swepy/cicd-templates/pypi-to-docker-missing-version/-/pipelines?ref=0.1.1)
 
 ## Objective