Add interface and class serializable for models from Magento2 api client #6

	name: Quality (PHPStan level 4)
	on: push
	jobs:
	cs-fixer:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Cs-Fixer
	run: \|
	wget -q https://cs.symfony.com/download/php-cs-fixer-v2.phar -O php-cs-fixer
	chmod a+x php-cs-fixer
	PHP_CS_FIXER_IGNORE_ENV=true ./php-cs-fixer fix src --dry-run

	phpstan:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/cache@v2
	with:
	path: '**/vendor'
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-composer-
	- uses: php-actions/composer@v5
	with:
	args: --prefer-dist
	php_version: 8.0
	- name: PHPStan
	uses: php-actions/phpstan@v2
	with:
	path: src/
	level: 4
	php_version: 8.0

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