Add gitlab ci

image: debian:sid

build:

  stage: build

  before_script:

    - apt update && apt -y install devscripts git-buildpackage

    - mk-build-deps --tool "apt -y -o Debug::pkgProblemResolver=yes --no-install-recommends" --install -r debian/control 

  script: 

    - echo "Ignore branch because CI moves to some commit"     

    - gbp buildpackage -uc -us --git-ignore-branch