Add compression example to README #57

	name: pull-request

	on:
	pull_request:
	branches: [ main ]
	push:
	branches: [ main ]

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- uses: actions/setup-node@v2
	with:
	node-version: 'lts/*'
	cache: 'npm'

	- name: Cache Node modules
	uses: actions/cache@v3
	id: npm-cache
	with:
	path: ~/.npm
	key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-node-

	- name: Install dependencies
	run: \|
	npm install
	sudo npx playwright install-deps

	- name: Lint
	run: npm run lint
	- name: Test
	run: npm test

	- name: Benchmark
	run: npm run benchmark \| tee benchmark.txt

	- name: Download previous benchmark data
	uses: actions/cache@v3
	with:
	path: ./cache
	key: ${{ runner.os }}-benchmark

	- name: Store benchmark result
	uses: benchmark-action/github-action-benchmark@v1
	with:
	tool: 'benchmarkjs'
	output-file-path: benchmark.txt
	external-data-json-path: ./cache/benchmark-data.json
	github-token: ${{ secrets.GITHUB_TOKEN }}
	alert-threshold: '150%'
	comment-on-alert: true
	fail-on-alert: true
	alert-comment-cc-users: '@Stuk'

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