Fix tab #30

	name: GitHub Pages

	on:
	push:
	branches: [ www ]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: Set up Ruby environment
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 2.5.5
	bundler-cache: true

	- name: Set up Node.js environment
	uses: actions/setup-node@v2
	with:
	node-version: 21.6.2

	- name: Cache node_modules
	uses: actions/cache@v2
	env:
	cache-name: cache-node-modules
	with:
	path: node_modules
	key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-build-${{ env.cache-name }}-
	${{ runner.os }}-build-
	${{ runner.os }}-

	- name: Install Node.js dependencies
	run: yarn install

	- name: Build website
	run: yarn build

	- name: Deploy to www-build
	uses: peaceiris/actions-gh-pages@v3
	with:
	deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
	publish_dir: ./_site
	publish_branch: www-build

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