Rework projects page #548

	name: pa11y tests

	on:
	pull_request:
	branches:
	- master
	workflow_dispatch:

	jobs:
	build:
	name: Building site and running pa11y-ci tests
	runs-on: ubuntu-latest

	steps:
	# Clone the repository and checkout into the relevant branch
	- uses: actions/checkout@v4

	# Install Ruby
	- name: Install Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.3.4 # Check https://pages.github.com/versions/ for the current Ruby version used by gh pages.

	# Install dependencies required to run jekyll build
	- name: Install gh-pages rubygem via bundler
	run: \|
	# Update gem and bundler - disabled due to gem install errors on CI
	# gem update --system --no-document
	gem update bundler --no-document
	# Set the bundle directory
	bundle config set path vendor/bundle
	# Install Gemfile contents via bundler
	bundle install

	# Install pa11y requirements
	- name: Install pa11y-ci
	run: npm install -g pa11y-ci

	# Check site accesibility
	- name: Serve site and test with pa11y
	run: \|
	bundle exec jekyll serve --detach
	pa11y-ci http://localhost:4000/

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