Automated Accessibility Testing with Playwright + Axe (#218)

Accessibility is an important feature of any web application but we often leave it until late in the development process to start testing. With Axe and Playwright, we can easily automate a large amount of Accessibility testing which can help to ensure we don't ship our apps/sites with Accessibility bugs. Links: https://github.com/abhinaba-ghosh/axe-playwright https://www.deque.com/axe/core-documentation/api-documentation/#api-name-axeconfigure https://github.com/dequelabs/axe-core/blob/develop/doc/rule-descriptions.md https://dequeuniversity.com/rules/axe/4.2