name: Build gh-pages

on:
  push:
    branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Setup Node
      uses: actions/setup-node@v1
      with:
        node-version: '10.x'
    - run: npm ci
    - run: npm run build

    - name: Deploy
      uses: peaceiris/actions-gh-pages@v3
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_dir: .

Add GitHub action to automatically build gh-pages
Add GitHub action to automatically build gh-pages