Add .coderabbit.yml configuration file #37

	name: Coding Standards

	on:
	push:
	pull_request:
	workflow_dispatch:

	jobs:
	coding-standards:
	name: Coding Standards
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: 8.0
	tools: cs2pr
	coverage: none

	- name: Get composer cache directory
	id: composer-cache
	run: echo "::set-output name=dir::$(composer config cache-files-dir)"

	- name: Cache dependencies
	uses: actions/cache@v2
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: ${{ runner.os }}-composer-

	- name: Install dependencies
	run: composer install --no-interaction --no-progress --prefer-dist

	- name: Validate composer.json
	run: composer validate --strict

	- name: Run PHP_CodeSniffer
	run: ./vendor/bin/phpcs -q --no-colors --report=checkstyle src tests \| cs2pr

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