Update pipeline to check types and formatting

stages:

    - test

    - deploy

variables:

  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"

lint-openapi:

    image:

        name: redocly/cli

            - cypress/screenshots

        expire_in: 1 week

test-python:

    image: python:latest

    stage: test

    cache: 

      paths:

        - .cache/pip

    before_script:

        - pip install pipenv

        - pipenv requirements --dev > requirements.txt

        - pip install -r requirements.txt 

    script:

        - black --check $CI_PROJECT_DIR

        - mypy .

# This snippet is copied and modified from the GitLab Documentation (as of 2021-01-10, the contents of the script seem to have changed by now)

#   * Title of the documentation page: "Building a Docker image with kaniko"

#   * Author: (c) 2011-present GitLab B.V.