name: markdownlint

on:
  pull_request:
    branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - name: check out code
      uses: actions/checkout@v2

    - name: install markdownlint-cli
      run: sudo npm install -g markdownlint-cli

    - name: run markdownlint
      run: markdownlint .