Adrián Bolonio

This PR adds GitHub Actions to test the accessibility of the application

Use useFocusZone hook in ActionList

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### What are you trying to accomplish? Some accessibility issues in the [Primer React ActionList component](https://primer.style/react/ActionList) have been discovered during the [Primer React SelectPanel component](https://primer.style/react/SelectPanel) accessibility engineering review, and since...

SelectPanel: Accessibility remediation (breaking changes)

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> Co-authored-by: @hectahertz ## Context This PR addresses the changes derived from: - The [Accessibility design review](https://github.com/github/primer/issues/659) of [the Figma files](https://www.figma.com/file/KBfDd7lnhjPDWxmZWilh5c/Scrap-paper?node-id=516%3A41331) - The [Accessibility engineering review](https://github.com/github/primer/issues/1021) The [Accessibility engineering review](https://github.com/github/primer/issues/1021)...

It would nice to have a proper search page with all the results listed

## Context The theme hardcodes the word `Primer` in the header before the project short name defined by `siteMetadata.shortName`. You can see in [the `header.js` component](https://github.com/primer/doctocat/blob/main/theme/src/components/header.js#L57). ![An screenshot of the...

I wanted to extend the library to add a new extra class to the `` so more specific css can be develop.

[Dropdown Menu] WCAG2.2 SC 2.5.2 violation - Dropdown Menu opens on `onPointerDown`

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## Bug report The [Radix Dropdown Menu component](https://www.radix-ui.com/primitives/docs/components/dropdown-menu) opens on [`onPointerDown`](https://github.com/radix-ui/primitives/blob/main/packages/react/dropdown-menu/src/DropdownMenu.tsx#L116) (which means as soon as a mouse navigation user presses the triggering element of the dropdown menu), but there...