Add template for running pre-commit try-repo.

---

pre-commit-repo:

  stage: test

  image: adarnimrod/ci-images:pre-commit

  tags: [ns4.shore.co.il]

  variables:

    XDG_CACHE_HOME: "$CI_PROJECT_DIR/.cache"

    # Disabled until https://github.com/pre-commit/pre-commit/issues/1387 is

    # resolved.

    SKIP: "hadolint,docker-compose"

  script:

    - pre-commit try-repo ./

  cache:

    paths:

      - .cache/