Resolve "Enable Docker Container Build in CI Pipeline"

Related issues

As the current last step in CI pipeline the docker container image of the ecmr Frontend is build and pushed the git GitLab container registry.

Acceptance criteria

Enable Docker Container Build and Push in CI Pipeline

Add a new last step in stage "archive" in CI pipeline the build a docker container image As last step the image is pushed to the GitLab container registry.

Closes #53