Introduce README #9

	name: CI

	on:
	push:
	pull_request:

	jobs:
	Build:
	runs-on: ubuntu-latest

	services:
	redis:
	image: redis:8-alpine
	ports:
	- "6379:6379"

	strategy:
	fail-fast: false
	matrix:
	php-versions:
	- '8.1'
	- '8.2'
	- '8.3'
	- '8.4'
	- '8.5'

	steps:
	- name: Checkout
	uses: actions/checkout@v6

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-versions }}
	extensions: mbstring redis
	ini-values: memory-limit=1G
	tools: cs2pr

	- name: Get Composer's cache directory
	id: composer-cache-path
	run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT

	- name: Cache Composer dependencies
	uses: actions/cache@v4
	id: composer-cache
	with:
	path: ${{ steps.composer-cache-path.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: ${{ runner.os }}-composer-

	- name: Install dependencies
	run: composer install

	- name: Normalize composer.json
	if: matrix.php-versions == '8.1'
	run: composer normalize --dry-run

	- name: PHP-CS-Fixer
	if: matrix.php-versions == '8.1'
	run: vendor/bin/php-cs-fixer fix --dry-run --format=checkstyle \| cs2pr

	- name: PHPStan
	if: matrix.php-versions == '8.1'
	run: vendor/bin/phpstan analyse

	# https://github.com/marketplace/actions/setup-php-action#phpunit
	- name: Setup problem matchers for PHPUnit
	run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"

	- name: PHPUnit Unit
	run: vendor/bin/phpunit

	- name: PHPUnit Integrational
	run: vendor/bin/phpunit --group integrational

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