Set up release feature from gitlab-ci

• https://docs.gitlab.com/ee/ci/yaml/#release
• https://docs.gitlab.com/ee/user/project/releases/release_cicd_examples.html

release_job:
  stage: package
  image: registry.gitlab.com/gitlab-org/release-cli:latest
  rules:
    - if: $CI_COMMIT_TAG
  script:
    - echo "running release_job"
  release:
    tag_name: '$CI_COMMIT_TAG'
    description: '$CI_COMMIT_TAG'

• Fix current releases
• Add missing releases
• https://git.duniter.org/clients/python/silkaj/-/releases