Update docs, syntax, CI, etc. #28

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- '**'

	jobs:
	build:

	strategy:
	matrix:
	php: [ '7.4', '8.0', '8.1', '8.2', '8.3' ]

	runs-on: ubuntu-latest

	name: PHP ${{ matrix.php }}

	steps:
	- name: Checkout
	uses: actions/checkout@v1

	- name: Set up PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{matrix.php}}

	- name: Install
	run: \|
	composer install

	- name: Test
	run: composer test

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