feat: add focus-visible styles to home page buttons and code blocks.#1069

Boshen merged 3 commits intooxc-project:mainoxc-project/website:mainfrom

connorshea:claude/add-button-focus-styles-0ZUsZconnorshea/oxc-project.github.io:claude/add-button-focus-styles-0ZUsZCopy head branch name to clipboard