Add pipelines figure

pages/Git.md

@@ -19,6 +19,8 @@ releases in a transparent way. The CI pipeline is triggered every time when
 changes are pushed to a project. Each job runs in an isolated Docker container
 which makes them fully reproducible.
 
+![CI Pipelines of the km3pipe projects showing a failing test in a Python 3.6 environment](/figures/ci-pipelines.png)
+
 In case of test reports for example, failing tests are signalised in merge
 requests and prevent changes that broke them to be applied accidentally. The
 documentation is also built in a dedicated pipeline job and is published to the