.github/workflows/github-pages-deploy.yml

name: Deploy README to GitHub Pages

on:
  push:
    branches:
      - master
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '14'

      - name: Install marked (Markdown parser)
        run: npm install marked

      - name: Convert README to HTML
        run: |
          echo "<!DOCTYPE html>
          <html lang='en'>
          <head>
            <meta charset='UTF-8'>
            <meta name='viewport' content='width=device-width, initial-scale=1.0'>
            <title>reNgine Documentation</title>
            <link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/5.1.0/github-markdown.min.css'>
            <style>
              .markdown-body {
                box-sizing: border-box;
                min-width: 200px;
                max-width: 980px;
                margin: 0 auto;
                padding: 45px;
              }
              @media (max-width: 767px) {
                .markdown-body {
                  padding: 15px;
                }
              }
            </style>
          </head>
          <body class='markdown-body'>
          $(node -e "const marked = require('marked'); const fs = require('fs'); console.log(marked.parse(fs.readFileSync('README.md', 'utf-8')))")
          </body>
          </html>" > index.html

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