added support for conditional LOA #8

	name: Documentation

	on:
	push:
	branches: [ main ]
	paths:
	- '**.md'
	pull_request:
	branches: [ main ]
	paths:
	- '**.md'

	jobs:
	quality:
	name: Quality checks
	runs-on: [ubuntu-latest]

	steps:
	- name: Setup PHP, with composer and extensions
	uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
	with:
	php-version: '8.0'
	tools: composer:v2
	extensions: intl, mbstring, xml

	- name: Setup problem matchers for PHP
	run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"

	- uses: actions/checkout@v3

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

	- name: Cache composer dependencies
	uses: actions/cache@v3
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: ${{ runner.os }}-composer-

	- name: Install Composer dependencies
	run: composer install --no-progress --prefer-dist --optimize-autoloader

	- name: Lint markdown files
	uses: nosborn/github-action-markdown-cli@v3.2.0
	with:
	files: .
	ignore_path: .markdownlintignore

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