nf-configs/.github/workflows/linting.yml

name: Markdown linting
# This workflow is triggered on pushes and PRs to the repository.
on: [push, pull_request]  

jobs:
  Markdown:
    runs-on: ubuntu-18.04
    steps:
      - uses: actions/checkout@v1
      - uses: actions/setup-node@v2
      - name: Install markdownlint
        run: |
          npm install -g markdownlint-cli
      - name: Run Markdownlint
        run: |
          markdownlint ${GITHUB_WORKSPACE} -c ${GITHUB_WORKSPACE}/.github/markdownlint.yml