New ci

.gitlab-ci.yml

_ci/README.md

_ci/after_build.sh

_ci/after_deploy.sh

_ci/after_docs.sh

_ci/after_test.sh

_ci/after_wheels.sh

_ci/before_build.sh

_ci/before_deploy.sh

_ci/before_docs.sh

_ci/before_test.sh

_ci/before_wheels.sh

_ci/build.sh

_ci/deploy.sh

_ci/docs.sh

_ci/functions.sh

_ci/install.sh

_ci/test.sh

_ci/update_feedstock.py

_ci/wheels.sh